Languid means “slow and relaxed.”. Someone who's languid is weak. The context clue that is most helpful in determining this definition is "in a drowsy".
Someone who's drowsy is sleepy, lethargic, slow and weak. Therefore, based on the explanation, tge correct option is C.
The correct answer should be it facilitates communication
Explanation: People use jargon all the time and it can be tiresome if people have to stop talking and explain what the words they're using mean. Especially this applies in a work environment.