问题补充：
He was so after he knew the news.
A. excited , excited
B. exciting , excited
C. exciting, exciting
D. excited, exciting
答案：
A. excited , excited
B. exciting , excited
C. exciting, exciting
(答案→)D. excited, exciting
解析：句意：他知道了这个令人兴奋的消息之后，他太激动了。excited感到兴奋的，多指人，exciting令人兴奋的，多指物，故选D
