【B】
Matt:My eyes are really sore.
Lucy:Oh, no. Do you use your eyes a lot?
Matt:Well, I might use computer and cellphone too much.
Lucy:How often do you use your computer?
Matt:I use it every day. And I also check my cellphone everyfive minutes. Sometimes I also read books in bed.
Lucy:Oh, they are all bad habits and bad for your eyes. Youneed to break those habits.
Matt:All right.
Lucy:If your eyes are still sore, go to see a doctor.
sore 痠痛的 need to 需要做（某事） if 如果