Which function can be used to convert this text below to capitalised letters? cOmpUTINg FoR aCADEmic PurpOSE单项选择题
A
a. PROPER
B
b. LOWER
C
c. CAP
D
d. UPPER

Question

Which function can be used to convert this text below to capitalised letters? cOmpUTINg FoR aCADEmic PurpOSE

BlackTom AI · Accepted Answer

When asked which function converts text to capitalised letters, we need to consider common string manipulation functions that alter letter casing.
Option a: PROPER. This would typically imply converting to title case (capitalizing the first letter of each word), not turning every letter uppercase. Since the goal is full uppercase, PROPER does not achieve that.
Option b: LOWER. This converts all letters to lowercase, which is the opposite of capitalising. It would produce all-lowercase text, not uppercase.
Option c: CAP. This is not a standard, universally recognized function for changing case in many languages and libraries; in practice, it either doesn’t exist or would be non-standard, so it’s not a reliable choice for converting to uppercase.
Option d: UPPER. This is the conventional function name used across many programming languages and spreadsheet tools to convert all alphabetic characters to uppercase, which matches the requirement to capitalise every letter in the text.
Putting it together, the desired operation—transforming mixed-case text into all uppercase—maps directly to the UPPER function, while the other options either do not achieve this outcome or are not standard approaches for this task.

Which function can be used to convert this text below to capitalised letters? cOmpUTINg FoR aCADEmic PurpOSE单项选择题

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