单选题
Some of the attendees at the technology convention were charged a______fee, as they were able to register as a group.
A、
final
B、
total
C、
reduced
D、
costly
【正确答案】
C
【答案解析】
解析：根据上下文语义，此处意为“因为是团体注册所以享受了费用折扣”，所以应选形容词(C)reduced(减少的)。(A)final表示“最后的；决定性的”，(B)total表示“总的”，(D)costly表示“昂贵的”。
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