Sentence Correction - Verbal and Reasoning

Directions to SolveWhich of phrases given below each sentence should replace the phrase printed inboldtype to make the grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
Q1:

Making friends is more rewarding than to make enemies.

A to be unsociable

B to be sociable

C being unsociable

D making enemies

E No correction required

ANS:D - making enemies

No answer description is available.