— I see you got a “D” in biology?—Well. I found that subject hard. I think I’ll drop it

问题补充：

— I see you got a “D” in biology. ?

—Well. I found that subject hard. I think I’ll drop it for history.

A. How about that

B. What for

C. How come

D. What’s your next plan

答案：

A. How about that

B. What for

(答案→)C. How come

D. What’s your next plan

解析：考查交际用语。A那怎么样？B为了什么？C怎么会？D你的下一个计划是什么？句意：—我看见你在生物学科上D了一个D。怎么会这样？—我发现这个学科很难。我认为我要放弃生物学习历史了。根据句意说明C正确。