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

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

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