Read the following conversation and answer the question.

M: Frankly, when I sat the back of the classroom, I can't see the words on the board clearly.

W: Well, you've been wearing those same glasses as long as I've known you. Why not get a new pair? It wouldn't cost you too much.

Question: What does the woman imply about the man's glasses? 

- They are not in style any more.

- They have cost him far too much.

- They no longer suit his eyesight.


They no longer suit his eyesight.