Which expression is equivalent to this polynomial expression?



$\left(2 x^5+3 y^4\right)

\left(-4 x^2+9 y^4\right)$

A$-8 x^7+27 y^8$

B$-8 x^7+18 x^5 y^4-12 x^2 y^4+27 y^8$

C$-2 x^7+11 x^5 y^4-x^2 y^4+12 y^8$

D$-2 x^{10}+11 x^5 y^4-x^2 y^4+12 y^{16}$