问题

You didn’t expect to see us, did you?— _____.
A: No, I don't know you were coming today
B: Yes, I hadn't known you were coming today
C: No, I didn't know you were coming today
D: Yes, I won't know you were coming today
B: Yes, I hadn't known you were coming today
C: No, I didn't know you were coming today
D: Yes, I won't know you were coming today
正确答案是: