问题补充：
We all feel after hearing of the news.
A. excited;excited
B. exciting;exciting
C. excited;exciting
D. exciting;excited
答案：
A. excited;excited
B. exciting;exciting
(答案→)C. excited;exciting
D. exciting;excited
解析：句意：听到这个振奋人心的消息我们都很激动。excited感到激动的，主语是人，exciting令人激动的，主语是物，故选C。
