单选题Which of the following is the recommended placement of the rear surround speakers in a 5.1 surround installation？（）ADirectly to the left and right and slightly in front of the listenerBDirectly to the left and right and slightly behind the listenerCAbove and behind the listenerDDirectly behind the listener
单选题
Which of the following is the recommended placement of the rear surround speakers in a 5.1 surround installation？（）
A
Directly to the left and right and slightly in front of the listener
B
Directly to the left and right and slightly behind the listener
C
Above and behind the listener
D
Directly behind the listener
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