Question

(2010·新课标全国)Mary made coffee ________ her guests were finishing their meal.

A．so that

B．although

C．while

D．as if

Answer 1

C

考查状语从句中连词的选择。句意：趁客人们正在吃饭，玛丽煮好了咖啡。while表示“在……期间”，符合语意。