is your aunt? She’s fifty.A. HowB. How manyC. How muchD. How old

问题补充：

is your aunt? She’s fifty.

A. How

B. How many

C. How much

D. How old

答案：

A. How

B. How many

C. How much

(答案→)D. How old

解析：此题重点考查疑问副词how的相关短语。How many意思是多少，常用来询问可数名词的量；how much意思也是多少，常用来询问不可数名词的量，也可用来询问物品的价格；how old常用来询问年龄；how单独使用常用来询问身体状况。根据对话的答语She’s fifty.可知是年龄，故选D。