---What did Jack ask you just now?

--He wanted to know how long ________ when I reached the cinema.

A．had the film been on

B．the film had started

C．the film had lasted

D．had the film ended

关节红肿，疼痛剧烈，入夜尤甚，壮热烦渴，舌红少津，脉弦数者，治疗宜选

A．乌头桂枝汤

B．白虎加桂枝汤

C．犀角散

D．防风汤