Read the following conversation and answer the question.

W: What a memory I have! I did write down the number on a sheet of paper when I answered the phone this morning. But now the paper has disappeared without any trace.

M: Don't worry. I'll be seeing Mr. Brown in an hour.

Question: What do we learn from this conversation? 

- It was probably Mr. Brown's phone number that the woman wrote down.

- It was just an hour ago that the man met Mr. Brown.

- The woman forgot to write down the phone number.


It was probably Mr. Brown's phone number that the woman wrote down.