Idioms and Phrases - Verbal and Reasoning

Some proverbs/idioms are given below together with their meanings. Choose the correct meaning of proverb/idiom, If there is no correct meaning given, E (i.e.) 'None of these' will be the answer.
Q1:

To have an axe to grind

A A private end to serve

B To fail to arouse interest

C To have no result

D To work for both sides

E None of these

ANS:A - A private end to serve

No answer description is available.