问题
Do you know the man ________ visited the Singapore in February—-Yes. He is Mr Li. He said it was his _______ visit to the United States.
A:who; fifth
B:that; five D. /; five D. which; fifth;
C:where were the twins
D:/; five D. which; fifth;
B:that; five D. /; five D. which; fifth;
C:where were the twins
D:/; five D. which; fifth;
正确答案是：
