It's helpful to put children in a situation ________ they can see themselves differently.[ ]

A. that  

B. when  

C. which  

D. where

女．68岁，胸痛持续加剧，右胸导联心电图示ST段明显上抬，血压70/50mmHg．肝大，水肿。首选治疗药物是（）

A.呋塞米

B.硝普钠

C.硝酸甘油

D.毛花苷丙

E.多巴酚丁胺