—Hello Betty. Is your mother a teacher?—No she is a doctor in a .A. bankB. libraryC. res

问题补充：

—Hello, Betty. Is your mother a teacher?

—No, she is a doctor in a .

A. bank

B. library

C. restaurant

D. hospital

答案：

A. bank

B. library

C. restaurant

(答案→)D. hospital

解析：词义辨析。bank 银行；library 图书馆； restaurant 饭店；hospital医院。结合语境他是医生，故只能在医院工作。选D。