He has poor eyesight puter work
A. because too many
B. because too many
C. because of too much
D. because of much too
网友回答
A. because too many
B. because too many
(答案→)C. because of too much
D. because of much too
解析：本题的含义是他的视力差是由于他电脑工作的时间太长，表示原因后跟短语通常用because of，后跟从句用because，修饰不可数名词work用too much，修饰可数名词才用too many，故本题选C。