Question 104748
Hello,
Answer is D 

The definiation of a Polynomial is In algebra, a sum of monomials; for example, x2 + 2xy + y2 .
The definiation of a monomial is: In mathematics, a monomial (or mononomial) is a particular kind of polynomial, having just one term. 

A B C ) have variables
D) doesnt have any variables 

That why D is the answer