Which polynomial correctly combines the like terms and expresses the given polynomial in standard form?9xy3 – 4y4 – 10x2y2 + x3y + 3x4 + 2x2y2 – 9y4
A
–13y4 + 3x4 – 8x2y2 + x3y + 9xy3B
–13y4 + x3y – 8x2y2 + 9xy3 + 3x4C
3x4 – 8x2y2 + x3y + 9xy3 – 13y4D
3x4 + x3y – 8x2y2 + 9xy3 – 13y4