You pay too much attention to your reading skill. It's so important.
A. cannot
B. should
C. must
D. needn't
网友回答
(答案→)A. cannot
B. should
C. must
D. needn't
解析：cannot/never too，为固定句式、表示“怎么……也不过分，”“越……越好”，如:You cannot be too careful in your work.越细心越好。