Select the option that expresses the given sentence in reported speech.
“Where did the children leave their record books?” the sports coach asked the class prefect.

A

The sports coach asked the class prefect where the children had left their record books.

B

The sports coach asked the class prefect where the children leave their record books.

C

The sports coach asked the class prefect where have the children left their record books.

D

The sports coach asked the class prefect where the children are leaving their record books.