问题
It is a long time since I last saw you . This sentence means _______
A:I had seen you for a long time
B:I have seen you for a long time
C:I haven’t seen you for a long time
D:I saw you again before long
B:I have seen you for a long time
C:I haven’t seen you for a long time
D:I saw you again before long
正确答案是：
