— When _____ the film _____ ? —It _____ for five minutes.

A．has/ begun; began

B．did/ begin; has been on

C．has/begun; has been on

D．will/ begin; is going to begin

甲亢患者术前准备达到手术指标，脉搏需在

A．90次／分以下

B．100次／分以下

C．110次/分以下

D．120次/分以下

E．130次／分以下