单项选择题

Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions.
Now listen to the interview.
One must register with the police within seven days of arrival in Britain ______.

A.if he is from the European Community
B.if he is from the Commonwealth
C.if he intends to stay in UK for more than six months
D.if he plans to travel in UK for one week