It just isn’t fair thatI was working as a waiter last month my friends were lying on the

问题补充：

It just isn’t fair thatI was working as a waiter last month, my friends were lying on the beach.

A. while

B. whenever

C. though

D. for

答案：

(答案→)A. while

B. whenever

C. though

D. for

解析：考查连词。句中的while有对比关系，译成“而”。句意：上个月我在当服务员而我的朋友躺在海滩上，这太不公平了。故A正确。