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:

Sanjay was the real power behind the throne and all politicians were aware of this.

A The person who had the real control and power

B The acknowledged leader

C The person who controlled the monarch

D The person who advised the queen

ANS:A - The person who had the real control and power

No answer description is available.