—I can hardly hear the radio. Would you please .—Yes of course.A. turn it onB. turn it do

问题补充：

—I can hardly hear the radio. Would you please .—Yes, of course.

A. turn it on

B. turn it down

C. turn it off

D. turn it up

答案：

A. turn it on

B. turn it down

C. turn it off

(答案→)D. turn it up

解析：D hardly“几乎不”表示否定，“我几乎听不见声音”，故应该是把声音调大。turn up“调大，出现”。turn on“打开”；turn down“调低，拒绝”；turn off“关掉”。故选D。