They were when they heard the news.A. excited excitingB. exciting excitedC. excited exc

问题补充：

They were when they heard the news.

A. excited, exciting

B. exciting，excited

C. excited，excited

D. exciting， exciting

答案：

(答案→)A. excited, exciting

B. exciting，excited

C. excited，excited

D. exciting， exciting

解析：excited兴奋的，指人；exciting令人兴奋的，指物；句意：当他们听到这个令人兴奋的消息时，他们太兴奋了。前文指人，下文指物。故选A。