单选题Which of the following is the correct signal flow for an analog multi-room audio system？（）ASource，Volume Control，Speaker，AmpBSource，Amp，Volume Control，SpeakerCAmp，Source，Volume Control，SpeakerDSpeaker，Amp，Volume Control，Source
单选题
Which of the following is the correct signal flow for an analog multi-room audio system？（）
A
Source，Volume Control，Speaker，Amp
B
Source，Amp，Volume Control，Speaker
C
Amp，Source，Volume Control，Speaker
D
Speaker，Amp，Volume Control，Source
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