Pick out the most effective word(s) from the given words to fill in the blank to make the sentence meaningfully complete.
One major ...... between the Election Commission and the Union Government related to the powers of the former in respect of the deployment of central police forces at places where election is held.
A.
irritant
B.
conflict
C.
pain
D.
culprit
Correct answer is B
No explanation has been provided for this answer.
