Idioms and Phrases - Verbal and Reasoning

In the following questions four alternatives are given for the idiom/phraseitalicised and underlinedin the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
Q1:

Rohit has bitten off more than he chew.

A Is trying to do much

B Is very greedy

C Is always hungry

D Has little regard for others

ANS:A - Is trying to do much

No answer description is available.