l was astonished that he knew a lot about Vi...

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

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

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

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

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