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

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：情景交际。A. 来吧 B. 小心 C. 继续吧 D. 坚持住。句意：我可以打开窗户放进一点新鲜空气吗？结合语境可知选C为最佳答案。