— fine weather it is today!—Let's go for a picnic.A. WhatB. HowC. What aD. How a

问题补充：

— fine weather it is today!

—Lets go for a picnic.

A. What

B. How

C. What a

D. How a

答案：

(答案→)A. What

B. How

C. What a

D. How a

解析：考察感叹句。Weather是一个不可数名词，所以不能用how, what a ,how a感叹。故A正确。句意：今天的天气真好啊！