单选题Which of the following is the correct signal flow for an analog multi-room audio system？（）A Source，Volume Control，Speaker，AmpB Source，Amp，Volume Control，SpeakerC Amp，Source，Volume Control，SpeakerD Speaker，Amp，Volume Control，Source
题目
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