Not only _____ hard but also _____ a high sense of responsibility.[ ]

A. does she work; she has

B. she works; has she

C. does she work; does she have

D. she works; she has

大疱性表皮松解症的病因是（）

A.皮肤结构蛋白的先天缺陷，使皮肤容易发生松解出现大疱

B.基底膜带由于免疫复合物的沉积发生真表皮分离或水疱

C.由于致病菌的外毒素对桥粒、半桥粒张力微丝的溶解作用

D.基底细胞对机械性刺激反应性增强，发生细胞内水肿及变性

E.病因尚不清楚