— kind girl Nancy is!—Yes she is always ready to help others. A. WhatB. What aC. How D. H

问题补充：

— kind girl Nancy is!

—Yes, she is always ready to help others.

A. What

B. What a

C. How

D. How a

答案：

A. What

(答案→)B. What a

C. How

D. How a

解析：本题的上句是一个感叹句，what后修饰名词，若为可数名词单数需加不定冠词a或an，how修饰形容词或副词，本题的关键中心词是可数名词单数girl，故用what a，故本题选B。