单选题An optical cable is used to transmit：（）Adigital audio from a component to a receiver.Banalog video from a component to a receiver.Canalog audio from a component to a receiver.Ddigital video from a component to a receiver.
单选题
An optical cable is used to transmit：（）
A
digital audio from a component to a receiver.
B
analog video from a component to a receiver.
C
analog audio from a component to a receiver.
D
digital video from a component to a receiver.
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