【单选题】
对于1个5+5+5的DE34,连到RTCC的D-BUS线来自()
A、BCF
B、TRXbackplane
C、RTCCbackplane
A、BCF
B、TRXbackplane
C、RTCCbackplane
A、21.495=21.50,34.465=34.47,6.1305×105=6.131×105 B、8.0130=8.013,1.798501=1.798,0.0028760=0.0029 C、8.0130=8.013,1.798501=1.798,0.0028760=2.876×10-3 D、21.495=21.49,34.465=34.46,6.1305×10^5=6.131×105