请选出移动终端进行位置更新操作的MAP信令正确信令顺序()a.Insert subscriber data(Request)b.Insert subscriber data(Response)c.Update Location(Request)d.Update Location(Response)e.Send Parameters(Request)f.Send Parameters(Response)
A:abcdef
B:cabefd
C:efcabd
D:cefabd
出自:移动通信机务员