The correct option is B Binomial
Concept Involved––––––––––––––––––––:
A monomial contains only one term in it.
A binomial contains two terms, each of which is different.
A trinomial contains three terms, each of which is different.
Method–––––––––:
Since there are two terms in 2x+3y.
It would be considered a binomial.
Also it is a polynomial because the exponents are whole numbers in 2x+3y.