Which of the following pseudocode statements represents a repetition statement?

Question

BlackTom AI · Accepted Answer

Break down the question: we’re looking for which statement represents a repetition (loop) in pseudocode.
Option 1: 'if total cost > 15' uses a conditional branch. It tests a condition once and then executes a block accordingly, but it does not repeat the block automatically.
Option 2: 'while the balance is > 0' uses the keyword 'while,' which is a classic loop construct that repeats the enclosed actions as long as the condition holds true, embodying repetition.
Option 3: 'set i equal to 3' is a simple assignment, changing the value of i once; there is no repetition involved.
Option 4: 'total cost = unit cost + tax' performs an arithmetic calculation and assigns the result, which is also a one-time operation rather than repeated execution.
In evaluating these, the only option that embodies a repeating action across iterations is the second one, since it describes a loop that can execute multiple times while the specified condition remains true. The others describe single-shot control flow (conditional) or single operations (assignment and arithmetic).

Which of the following pseudocode statements represents a repetition statement?单项选择题

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