though it is not a normal ______to give a discount in our shop,we will have to consider it closely

题目

though it is not a normal ______to give a discount in our shop,we will have to consider it closely
A hobby B practice C behavior

答案

B
practice不仅可以表示练习,还能当习惯,惯例将
hobby一般表示爱好
behavior是行为
即使我们商店现在还没有打折的惯例……