He _____ English for ten years by the time he takes the examination.

A．will have been studying

B．would have been studying

C．will study

D．studied

中小面积热液烫伤现场急救时，以下哪一项是正确的。（）

A.不要触动病人保留现场，以备专业人员判断病情

B.迅速除去衣物给创面涂抹龙胆紫

C.迅速除去衣物给创面进行冷疗

D.不要除去衣物以防创面污染

E.就地予以清创