--It’s darkI the light Mr Wu?Yes please.A. Can openB. May openC. May turn onD.

问题补充：

--It’s dark. I the light, Mr Wu?

--Yes, please.

A. Can, open

B. May, open

C. May, turn on

D. May, turn off

答案：

A. Can, open

B. May, open

(答案→)C. May, turn on

D. May, turn off

解析：may 表示问对方是否允许，打开灯，为turn on关灯为turn off，根据It’s dark，可知答案为为C