Select the alternative which is the best substitute of the given phrase.
One who makes vain display of learning.

Correct option is C

The correct one-word for the given group of words is a pedant.
Explain the correct answer:
· Correct word: Pedant – A person who is overly concerned with formal rules and trivial points of learning.
· Hindi meaning: पांडित्य दिखाने वाला व्यक्ति, जो ज्ञान का दिखावा करता है.
· Use in a sentence: The professor was such a pedant that he corrected every minor grammatical error.
Meanings of the other given options:
· (a) Panacea: A solution or remedy for all difficulties or diseases.
· Hindi meaning: रामबाण इलाज
· · (b) Arrogant: Having an exaggerated sense of one's importance.
· Hindi meaning: घमंडी
· · (d) Parasite: A person who lives off others without giving anything back.
· Hindi meaning: परजीवी