M: Betty, what's the matter? ,F: Well, at the end of the day at work, my neck really hurts. ,M: I see, do you do a lot of computer work? ,F: Well, yes. I spent all day at the computer, but I take regular breaks.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: Your neck hurts because you spend too much time in front of the computer. (C) M: You don't do computer work. Maybe your sleeping gesture caused the backache. (D) M: Your arms hurt, but neck is fine. Perhaps you did too much exercise recently.
B