Decisions today are becoming _____ complex, due to _____ uncertainty in the decision environment.

Question

BlackTom AI · Accepted Answer

Becoming more complex is the grammatically correct comparative for the adjective "complex," and "increased" correctly modifies the noun "uncertainty" to indicate that uncertainty has grown.

1. Relevant knowledge points and concepts
- Comparative formation: Multisyllabic adjectives like "complex" use "more" for comparison (not the suffix -er).
- Adjective vs. participle: "increased" is an adjective/participle that describes a rise in the noun it modifies; "decreased" would indicate a fall.
- Logical coherence: The cause clause "due to _____ uncertainty" should logically explain why decisions are changing; more uncertainty causes greater complexity.

2. Step-by-step reasoning
- Identify the required comparative for "complex." Because "complex" has two or more syllables, standard English uses "more complex" rather than "complexer."
- Determine whether uncertainty is rising or falling in the clause. If decisions are becoming more complex, it follows that uncertainty in the environment is increasing, not decreasing.
- Choose the adjective form that properly modifies "uncertainty." "Increased uncertainty" correctly states that uncertainty has gotten larger and thus causes complexity.

3. Intermediate steps (language checkpoints)
- Check adjective formation: complex → more complex (correct).
- Check cause-effect pairing: more complex decisions ← increased uncertainty (logical).
- Check grammatical fit: "due to increased uncertainty" is a correct prepositional phrase modifying the verb phrase "are becoming."

4. Why the correct answer is correct
- "More, increased" combines the proper comparative construction ("more complex") with the adjective "increased" that expresses a rise in uncertainty, producing a coherent, grammatically correct sentence: "Decisions today are becoming more complex, due to increased uncertainty in the decision environment."

5. Why other options are incorrect
- "More, decreased": grammatically okay but semantically contradictory—decreased uncertainty would not explain more complex decisions.
- "Less, decreased": both parts contradict the typical scenario and grammar—the phrase would read "becoming less complex" due to "decreased uncertainty," which reverses expected causality.
- "Less, increased": contradictory—less complex decisions caused by increased uncertainty makes no logical sense.
- "Neither more nor less, decreased": awkward phrasing and semantic mismatch; if uncertainty decreased, you wouldn’t expect unchanged complexity.

6. Conclusion
The correct choice is "more, increased," which matches the provided answer.

Decisions today are becoming _ complex, due to _ uncertainty in the decision environment.单项选择题

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Decisions today are becoming _____ complex, due to _____ uncertainty in the decision environment.单项选择题