He has that sometimes he can’t see an inch ahead.
A. so poor eyesight
B. such poor eyesight
C. such a poor eyesight
D. so poor an eyesight
网友回答
A. so poor eyesight
(答案→)B. such poor eyesight
C. such a poor eyesight
D. so poor an eyesight
解析：考查so与such的用法；so 修饰形容词或者副词，such修饰名词或者名词性短语；本句中的名称eyesight是一个名词，故使用such修饰。句意：他的视力是如此之差以至于有时候他一英尺以为的东西都看不见。故B正确。