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

问题补充：

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

A whenever B. though C. for D. while

答案：

解析：考查连词辨析。按照句意I和my ffiends前后对比，though虽然，但是仅有转折没有对比之意，while 意思是“然而，当---时，”既有转折，又有对比之意，符合句意，选D.