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:

In modern democratic societies lynch law seems to have become the spheres of life.

A law of the mob

B law of the underworld

C law of the constitution

D law of the parliament

ANS:A - law of the mob

No answer description is available.