中药制剂除古典丸、散、膏、丹外，现还有茶剂、冲剂、口服液、片剂、胶囊、膜剂、滴丸等，对中药剂人员掌握其基本技能，基础理论是至关重要的。

热压灭菌法，哪种蒸汽灭菌效果最好（）

A.水蒸汽

B.湿饱和蒸汽

C.过热蒸汽

D.饱和蒸汽

E.以上都不是

______for a long time, but he tried his best to make up for what he missed.

A．Being ill staying in hospital

B．Having been ill staying in hospital

C．To be ill staying in hospital

D．He was ill staying in hospital