( )是作为借人货币的代价或贷出货币的报酬。
A．利率 B．利息 C．利润 D．利差
参考答案：B
解析： 考察利息的概念。
一件上衣35元，一条裤子45元，现在要买25套要多少钱？
— _____ you were so late this morning?
— I forgot to set the alarm before going to bed last night. [ ]
A. Why
B. How come
C. How about
D. How
