单项选择题
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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