Select the option that can be used as a one-word substitute for the given group of words.
One who is well versed in many languages

Correct option is C

The correct one-word for the given group of words is (c) Polyglot.
Polyglot: A person who knows and is able to use several languages. (बहुभाषी व्यक्ति)
Example: She’s a polyglot, fluent in French, Spanish, and German.
Meanings of the other options:
· (a) Verbose: Using more words than necessary; wordy (शब्दाडंबरपूर्ण)
· (b) Linguist: A person skilled in languages or the science of language (भाषाविद्)
· (d) Stalwart: Loyal, reliable, and hardworking (निष्ठावान / वफादार)
Note: Though linguist is close, it refers more to the study or science of language, while polyglot refers to the person who can actually speak many languages.