The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

A

$$6x^{2}y-8xy^{2}+15y^{2}z$$

B

$$6x^{2}y+8xy^{2}-15y^{2}z$$

C

$$6x^{2}y+8xy^{2}-15y^{2}z-20xyz$$

D

$$6x^{2}y-8xy^{2}+15y^{2}z+20xyz$$