One Word Substitutes - Verbal and Reasoning

Directions to SolveIn questions given below out of four alternatives, choose the one which can be substituted for the given word/sentence.
Q1:

The raison d'etre of a controversy is

A The enthusiasm with which it is kept alive

B The fitness with which participants handle it

C The reason or justification of its existence

D The unending hostility the parties concerned have towards each other

ANS:C - The reason or justification of its existence

No answer description is available.