A young man _______ glasses came _______  the office. He had an old bag _______ his arm. [ ]

A. without; in; in

B. with; into; under

C. in; out of; under

D. with; in; on

“Call Proceeding”是在（）过程中用到。

A.MOC主叫

B.MTC被叫

C.Location Update

D.Handover