— I'm sorry. I lost the key to your bike.

— ________. I have another one.

A. You’re welcome                                 B. Oh, really             

C. It doesn't matter                                 D. That’s all right

--- I'm sorry. I lost the key to your bike.

---________. I have another one.

1. A.
   You’re welcome
2. B.
   Oh, really
3. C.
   It doesn't matter
4. D.
   That’s all right