题目内容
(请给出正确答案)
[单选题]
__________ is the setting or situation within which communication takes place.
A.channel
B.feedback
C.context
D.noise
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A.channel
B.feedback
C.context
D.noise
Hearing aids make()possible for people with hearing problems to u. se the telephone and even to listen to music.
A、that
B、what
C、it
D、which