I waited for her at the bus station for two hours but she never.A. turned onB. turned toC

问题补充：

I waited for her at the bus station for two hours, but she never.

A. turned on

B. turned to

C. turned up

D. turned down

答案：

A. turned on

B. turned to

(答案→)C. turned up

D. turned down

解析：考查短语辨析。turned on打开；turned to救助；turned up出现；turned down拒绝。句意：我在公共汽车站台等了她2小时，但她没有出现。