下列药物可治疗氯丙嗪引起的锥体外系不良反应的是（）

A.碘解磷定

B.氯苯那敏

C.硝苯地平

D.苯海索

E.胰岛素

—Miss Li, what are we going to do next? 

—Let's go out for doing sports. ________ sunny day! [ ]

A. What

B. What a

C. How

D. How a