Mark the letter A,...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the one that best completes each sentence.
She asked her nephew: “Can you guess what I bought for you?”

A.  She asked her nephew to buy something for her.

B.  She asked her nephew if he could guess what he could buy.

C.  She asked her nephew if he could guess what she had bought for him.

D.  She asked her nephew if he can guess what she had bought for him.