对E-RAB Drop Rate的统计那个计算方式是正确的（）

对E-RAB Drop Rate的统计那个计算方式是正确的（）

A.Number of normally released E-RAB / Number of successfully\ nestablished E-RAB x 100%

B.Number of abnormally setup E-RAB / Number of successfully\ nestablished E-RAB x 100%

C.Number of abnormally released E-RAB / Number of successfully\ nestablished E-RAB x 100%

D.以上都不对

正确答案是C