- I was worried about math, but Mr. Brown gave me an A! - That’s a difficult cou

— I was worried about math, but Mr. Browngave me an A!

— ________That’s a difficult course.

A. Have a goodluck.             B.Not really.

C.Congratulations!              D.You do?

试题答案

【答案】

 C

【解析】略