患者，女，46岁。半年来头皮、四肢出现皮损，色焮红，瘙痒，鳞屑增多，有筛状出血点，喜凉怕热，便干尿黄，舌红苔黄，脉滑数。具证候是（）

A.血虚肝旺

B.火毒炽盛

C.湿热蕴积

D.血热

E.风热

--When did your father come back last night?

--He didn't come back _______ he finished all the work.        

A. until                 B. while                  C. if