单选题You should assemble the Windows Sound System microphoneAbefore you have installed your audio hardware.Bbefore you connect it to your hardware.Cafter you have connected it to your hardware.

单选题
You should assemble the Windows Sound System microphone
A

before you have installed your audio hardware.

B

before you connect it to your hardware.

C

after you have connected it to your hardware.


参考解析

解析:
第一段第一句指出“After you have installed your audio hardware, you must assemble the Windows Sound System microphone…”,故选项B符合题意。

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