At British universities, it is ______ to cease work and spend a half-hour or so sipping tea and eating cookies with the members of one’s department.
A、satisfactory
B、extraordinary
C、contemporary
D、customary
【正确答案】：D
【题目解析】：satisfactory满意的，符合要求的；extraordinary非凡的，特别的；contemporary当代的；customary习惯的，通常的。句意：在英国的大学里，人们习惯停下工作，花半个小时左右的时间和系里的同事一起喝茶、吃饼干。
