"None" 是单数还是复数？Is None Singular or Plural?

Alexis wants to know which of these sentences is correct: None of the answers is correct.
None of the answers are correct.

Although some sources say none is always singular, the modern consensus is that none can be singular or plural depending on your meaning.
Ask whether you mean not one or not any.
If you mean not one, none is singular.
If you mean not any, none is plural.

None of the answers is correct.
(means not one of the answers is correct) None of the answers are correct.
(means not any of the answers are correct) (来源：2HZZ常识网 http://www.
2hzz.
com)
When in doubt, treat none as singular.