It looks like your sentence is missing a verb. Did you mean to ask, "What does he tell us?" or "What is he telling us?" Please provide more context so I can better understand and assist you.
What ___________ he tells us !
A.an exciting news
B.exciting news
C.excited news
D.an excited news
B
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!