Which of the following statements are true?
I. 4x2 – 2x + 9 is a cubic binomial with a leading coefficient of 4.
II. -3y4 – 2y + 4 is a quartic trinomial with a degree of -3.
III. 5a+ 2 is a quintic binomial with a constant term of 2.
IV. -2m2 is a quadratic monomial with a leading coefficient of 2.
A None
B II only
C II and IV only
D I, II, III, and IV