She had never been to the Great Wall. Today she saw it ____ the first time.[ ]

A. at

B. for

C. in

D. by

关于癫痫的药物治疗，下述哪项是不正确的（）

A.药物选择决定于发作类型

B.药物自低限量开始

C.定期复查，注意毒性反应及副作用

D.不能突然停药、换药

E.开始即用数种药同时治疗