单项选择题
A.mobility—>terminal—>service—>userprofile->environment……
在UNET中,话务建模的准确顺序是:()。
A.mobility—>terminal—>service—>userprofile->environment
B.mobility—>service—>terminal—>userprofile->environment
C.mobility—>terminal—>userprofile—>service->environment
D.mobility—>userprofile->terminal—>service—>environment