—May I open the window to let in some fresh air?—A. Come onB. Take careC. Go ahead!D. Hold

问题补充：

—May I open the window to let in some fresh air?

—

A. Come on

B. Take care

C. Go ahead!

D. Hold on!

答案：

A. Come on

B. Take care

(答案→)C. Go ahead!

D. Hold on!

解析：根据语境可以知道：去开吧，去做吧。所以答案为：C。容易误选A。come on 的意思是“算了吧！加油！”