Last night, we attended a concert music by Haydn and Mozart, which was a feast for the ears.
A. featuring
B. promoting
C. generating
D. bewaring
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(答案→)A. featuring
B. promoting
C. generating
D. bewaring
解析：此处featuring 以……为专题； promoting提升；generating 产生，发电；bewaring当心。句意：昨晚，我们去听了以Haydn 和 Mozart的作品为专题的音乐会，那是一次听觉的盛宴。根据句意选A。