单项选择题

A.晨间血皮质醇≤30ug/L可确诊为本病,≥200ug/L可排除本病
B.晨间血皮质醇≤10ug/L可确诊为本病,≥100ug/L可排除本病
C.晨间血皮质醇≤20ug/L可确诊为本病,≥500ug/L可排除本病
D.晨间血皮质醇≤100ug/L可确诊为本病,≥200ug/L可排除本病
E.晨间血皮质醇≤70ug/L可确诊为本病,≥200ug/L可排除本病