—Our holiday in Beijing cost a lot of money.—Did it? Well that doesn’t matter you enjoye

问题补充：

—Our holiday in Beijing cost a lot of money.

—Did it? Well, that doesn’t matter you enjoyed yourselves

A. if

B. unless

C. while

D. or

答案：

(答案→)A. if

B. unless

C. while

D. or

解析：考查连词。if如果，unless除非，while当…的时候，or或者，否则，句意：在北京我们的假期花了好多钱。是吗？如果你们玩得高兴那就没关系。根据语境可知此题是if引导的条件状语从句，故选A