It is no longer________it was 20 years ago, ________it was so poorly equipped.  [ ]

A. what; when  

B. that; which

C. what; which  

D. which; that

患儿男，9岁。有机磷农药中毒，出现大量出汗，呼吸困难，口唇青紫，呼吸道分泌物增多，应立即静脉注射（）

A.哌替啶

B.氨茶碱

C.呋塞米

D.氯解磷定

E.东莨菪碱