Combine the like terms to simplify the expression:


5 + 7 + 15xy2 + 9y3 + 10x –13xy2 – 3x – 8y3


A.

y3 + 2xy2 + 7x + 12


B.

y3 –2xy2 + 10x + 15


C.

y3 + 2xy2 + 10x + 1


D.

y6 + 2x2y2 + 10x + 12