In question, four alternatives are given, for the Idiom/Phrase printed in bold in the sentence. Choose the alternative which best expresses the meaning of the Idiom/ Phrase.
He had to cool his heels before he could get an appointment with the doctor.

Options

A. to be kept waiting
B. to make publicly known
C. to excercise influence
D. to lose one's temper

Answer

A

Explanation

cool his heels : to have to wait for somebody/something • I.ve been cooling my heels for at least an hour. The best option is to be kept waiting.