问题补充：
—?
—She is a nurse.
A. Who is your mother?
B. Is your mother a nurse?
C. Where is your mother？
D. What does your mother do？
答案：
A. Who is your mother?
B. Is your mother a nurse?
C. Where is your mother？
(答案→)D. What does your mother do？
解析：句意：—你妈妈是做什么的？— 她是一名护士。从答语中可知，询问的是职业，只有D .What does your mother do？符合题意，故选D。
考点: 考查特殊问句的用法。
