- Will you please your radio a little? I can hardly go to sleep. Oh sorry.A. turn

问题补充：

--- Will you please your radio a little? I can hardly go to sleep.

--- Oh, sorry.

A. turn off B. turn on C. turn down

答案：

解析：句意：---你能把收音机关小点吗？我几乎不能入睡。---哦，对不起。turn off：关闭， turn on：打开，turn down关小（音量）。结合语境可知应选C。