---Will it take me at least six hours to write this essay?
---Yes, six hours to write a good essay.
A. are not long for you
B. will be too long for you
C. is not long enough for you
D. was not long enough for you
网友回答
A. are not long for you
B. will be too long for you
(答案→)C. is not long enough for you
D. was not long enough for you
解析：考查主谓一致。表示时间、距离、金钱的名词短语作主语，谓语用单数。根据句中时态用一般现在时，选C。