--- I have , I’m afraid I have to see the doctor.
--- I ‘m sorry to hear that.
A. a good eyesight
B. good eyesight
C. a poor eyesight
D. poor eyesight
网友回答
A. a good eyesight
B. good eyesight
C. a poor eyesight
(答案→)D. poor eyesight
解析：根据句意可知“视力不好”，因eyesight是不可数名词，故选D。