In order to _____ the rising production
题型：选择题
问题：
In order to _____ the rising production costs, the subscription rates have been increased.
A．add up to
B．look up to
C．come up with
D．keep up with
In order to _____ the rising production costs, the subscription rates have been increased.
A．add up to
B．look up to
C．come up with
D．keep up with