If you pay for the computer in cash, you could have a 5% discount; we can deliver it to y

If you pay for the computer in cash, you could have a 5% discount; we can deliver it to you for free.

A. in demand
B. in addition
C. in return
D. in place

A. in demand(答案→)B. in additionC. in return D. in place 解析：A. in demand有需求，B. in addition此外，C. in return做为回报，D. in place 在适当的位置，句意：如果你用现金付电脑，可以打5%的折扣，此外，还可以免费送货。所以选B。

对的，就是这个意思