A.use a more sensitive microphone
B.shout loudly into to your microphone
C.go away quietly to continue the phone call
D.use your hand to help speak into the phone
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people
[单选题]Do you know how to use a mobile phone (手机) without being rude to the people