—It is said that the scientists have found new ways to deal with AIDS.—wonderful news it i

问题补充：

—It is said that the scientists have found new ways to deal with AIDS.

—wonderful news it is!

A. How

B. What an

C. How a

D. What

答案：

A. How

B. What an

C. How a

(答案→)D. What

解析：句意：据说，科学家已经发现了一种处理艾滋病的方法。多么好的消息啊！news为不可数名词，用what 来引导，故选D