—Good morning. I' ve got an appointment with Miss Smith in the Personnel Department.

—Ah, good morning. You () be Mrs. Peters.

A. might

B. must

C. would

D. can

一个小区用三个SDCCH/8配置的TRU，利用半速率声码器，它同时支持的的最大电话呼叫是多少（）。

A.22

B.44

C.8

D.3

E.46