Explain how to multiply the monomial 7y with the binomial (y2 + 4y).
A. Multiply the like terms 7y and 4y, then add y².
B. Multiply 7y by y², then add 4y.
C. Multiply 7y by 4y and multiply y2 by y. Then, add these products together.
D.Multiply 7y by 4y and by y2. Then, add the products together.