beautiful the shoes are!A. WhatB. What aC. HowD. How a

问题补充：

beautiful the shoes are!

A. What

B. What a

C. How

D. How a

答案：

A. What

B. What a

(答案→)C. How

D. How a

解析：以what引导的感叹句的基本句型结构为what a/an +adj+可数名词单数+主语+谓语！；what+adj+可数名词的复数/不可数名词+主语+谓语！以how引导的感叹句的基本句型结构为how+adj/adv+主语+谓语！