32．Hesitating what to do，________．

A．so let’s not go outing

B．the tour was cancelled

C．but we should still take the tour

D．we had to stay home

RNC是通过（）判断BestEffort业务源速率对信道带宽的需求。

A.业务在信道中的传输速率

B.业务量报告

C.下行码发射功率报告

D.负载状况