Question

In order to _____ the rising production costs, the subscription rates have been increased.

A．add up to

B．look up to

C．cut short

D．keep up with

Answer 1

　　D

　　本题译文：为了跟上生产成本的上升，预定费已提高。 keep up with跟上。参阅。88注释。Add up to参阅.2注释；cut short 详见.38;look up to(="admire," respect)赞美，尊敬：We look up to the old workers as our teacher.（我们把这位老工人尊为我们的老师。）本题中rates意为“价格，费用”。