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单选题
Which of the following SCSI signaling systems uses one return line for every outgoing line， is less susceptible to interference， signal degradation， crosstalk， and allows a cable length of up to 25 meters？（）
A
SE （Single Ended）
B
DE （Double Ended）
C
LVD （Low Voltage Differential）
D
HVD （High Voltage Differential）
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