Dialogue:

W: Could I please borrow a pen from you? There's no ink left in mine.

M: I'm afraid I don't have an extra one. Would a pencil do?

W: That's OK, then.

Question: Why didn't the boy lend his pen to the girl? 

- Because he had no extra pen.

- Because he had no ink in his pen, either.

- Because he had only pencils.


Because he had no extra pen.