单选题Which of the following cabling would be MOST commonly used with digital volume controls？（）A Unshielded twisted pairB RJ-59C 16/4 solid conductorsD Speaker Wire
题目
单选题
Which of the following cabling would be MOST commonly used with digital volume controls？（）
A
Unshielded twisted pair
B
RJ-59
C
16/4 solid conductors
D
Speaker Wire