Question

Which sentence contains an idiom?

A. They passed the paper around in a circle.

B. The bucket was half full of sand since there was a leak in the bottom.

C. They searched the entire store, but they couldn’t find Jenna anywhere.

D. Brady will start singing at the drop of a hat.

Answer 1

D. Brady will start singing at the drop of a hat.

Step-by-step explanation:

"at the drop of a hat" means Immediately, without delay.