They made no bones about acknowledging their debt to his genius.

Options

A. did not have any hesitation in
B. did not have any faith in
C. demanded compensation for
D. had problems in

Answer

A

Explanation

made no bones about to be honest and open about something, not to hesitate to do some thing
She made no bones about in accepting her defeat at the Olympics. The best option is did not have any hesitation in.