Was it not until you began to write ______ you should have remembered more words?

A．did you realize

B．that you realized

C．did you not realize

D．that you didn't realize

下列哪一项措施与防止浸润型肺结核传播无关()

A．接触患者时戴口罩、帽子、穿隔离衣

B．患者痰液用含氯石灰溶液搅拌静置2小时

C．病室每天用紫外线照射进行空气消毒

D．病室设纱门，室内喷洒杀虫药剂

E．病室通向走廊的窗子须关闭