单选题If the speakers in an installation are out of phase， this means that（）A the subwoofer is at the wrong angle.B the front and rear speakers are reversed.C the polarity of the speakers are reversed.D the angle of the speakers are incorrect.
题目
单选题
If the speakers in an installation are out of phase， this means that（）
A
the subwoofer is at the wrong angle.
B
the front and rear speakers are reversed.
C
the polarity of the speakers are reversed.
D
the angle of the speakers are incorrect.
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参考答案和解析
正确答案：
C
解析：
暂无解析