题干

某品牌自行车进价是每辆800元,标价是每辆1200元,店庆期间,商场为了答谢顾客,进行打折促销活动,但是要保证利润不低于5%,则最多可打(  )折.

A:5

B:6

C:7

D:8

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答案(点此获取答案解析)

C

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It was ________ of my secretary not to have let others disturb me this morning when I was occupied with my work.