Select the most appropriate word to Fill in the blank.
Mr. Sharma may be late but I am sure Mr. Kapoor______be.

Options

A. should
B. won’t
C. can’t
D. would

Explanation

won’t Won’t- will not. In the given sentence, but is used as a conjunction for linking two contrastive sentences or clauses
the first part says that Mr. Sharma may be late, so the latter part should be negative. (“won’t” should be used)