-- beautiful city!Yes. Lots of tourists come to visit it every year.A. HowB. WhatC. Ho

问题补充：

-- beautiful city!

--Yes. Lots of tourists come to visit it every year.

A. How

B. What

C. How a

D. What a

答案：

A. How

B. What

C. How a

(答案→)D. What a

解析：本题是感叹句，修饰名词通常用what，如果为可数名词单数需加定冠词a或an，本题中的city为可数名词单数，故本题选D。