Professor Smith is also the _______ of the international program

Professor Smith is also the _______ of the international program office. If you have any problem when you study here, you may go to him for help.
A、detective
B、president
C、manager
D、director
【正确答案】：D
【题目解析】：director  n. 主任，主管。句意：史密斯教授也是国际项目办公室的主任。如果你在这里学习时有任何问题，你可以向他寻求帮助。