JAMB Use of English 1988 Question 48

Choose the option nearest in meaning to the word(s) or phrase(s) in italics: The senior had the habit of setting the cat among the pigeon whenever matters concerning his constituency came up for debate.

1. A.illuminating issues that are not clear
2. B.monopolizing the discussion
3. C.making frequent interruptions in the nature of points of correction
4. D.introducing elements of controversy and confusion