M: Alice, your laptop doesn't seem to be working very well. Is it broken or something? ,F: No, it's just a very old laptop. I got it over 5 years ago, so it's gotten really slow.
(A) M: What's matter with your laptop which is already broke down? Is it the new one? (B) M: I don't think there is something wrong with your laptop. You got it over 3 years ago, right? (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: That's why your laptop is really slow.
D