none of the above
see under all of the above.
Does “None” Take A Singular Or Plural Verb?One is singular, and so takes a singular verb ... so "none" should be singular, too? Not so fast. None can take a singular or plural verb. Why?!
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.