Select the most appropriate option to substitute the underline/Bold segment in the given sentence. If there is no need to improve it, select ‘no improvement required’.
Brian remained silent during the board meeting, though Rahul was unaware that he had an ace up his sheath the entire time.
Show answerAnswer & explanation
Correct option: A — an ace up his sleeve
an ace up his sleeve The idiom "an ace up his sleeve" means having a secret plan or advantage that is kept hidden until the right moment to use it. Hence, ‘an ace up his sleeve’ is the most appropriate answer.
