The speaker is giving a rather speech, as I can judge from the look on the listeners.
A. inspiring; inspiring
B. inspired; inspired
C. inspiring; inspired
D. inspired; inspiring
网友回答
A. inspiring; inspiring
B. inspired; inspired
(答案→)C. inspiring; inspired
D. inspired; inspiring
解析：
本题句意“演说家正在进行相当鼓舞人心的演说，因为我可以从听众的受鼓舞的表情看出”。Inspired受鼓舞的，inspiring令人鼓舞的。