I was astonished that he knew a lot about Vietname...

Câu hỏi: I was astonished that he knew a lot about Vietnamese food.

A. I was astonished at his poor knowledge of Vietnamese food.

B. That he knew a lot about Vietnamese food amazed me.

C. I knew very little about Vietnamese food, which astonished him.

D. It surprised me that Vietnamese food was what he liked most.