以下对于华为Probeasisstant软件侧掉话率公式定义正确的是哪项?()
A.Call Drop Rate-erab Abnorm Re1/RRC Connection Setup Success*100% B.Call Drop Rate-erab Abnorm Rel /ERAB Normrel*100% C.Call Drop Rate=ERAB Abnorm Rel/ERAB Release Total*100% D.Call Drop Rate=ERAB Abnorm Rel/ERAB Setup Success*100%