单项选择题
A.寻呼区域规划过大 B.DRX寻呼周期系数设置过小 C.UTRAN寻呼重发次数设置过大 D.Np（the number of paging indications per frame）设置过小
A.mobility—＞terminal—＞service—＞userprofile－＞environment B.mobility—＞service—＞terminal—＞userprofile－＞environment C.mobility—＞terminal—＞userprofile—＞service－＞environment D.mobility—＞userprofile－＞terminal—＞service—＞environment
A.Pmob＞PmobMax B.load saturation C.Cell power saturation D.Multiple causes