Read the following conversation and answer the question.

W: Thank goodness you're here. I've been waiting for 3 days to get the book.

M: Well, don't blame me. It was my boss that forgot all about it.

Question: Why did the woman get the book so late? 

- The post office lost the book.

- It was on the way for 3 years.

- It was the man's boss' fault.


It was the man's boss' fault.