Đa thức xy(x - y)(x + y) là mẫu chung của các đa thức nào sau đây

A. $\frac{\text{1}}{{\text{x}}^{\text{2}}+\text{xy}}\text{;}\frac{\text{1}}{\text{xy}-{\text{y}}^{\text{2}}}\text{;}\frac{\text{3}}{{\text{y}}^{\text{2}}-{\text{x}}^{\text{2}}}$

B. $\frac{\text{1}}{{\text{x}}^{\text{2}}-{\text{y}}^{\text{2}}}\text{;}\frac{\text{6x}}{\text{2x}-\text{2y}}$

C. $\frac{\text{8y}}{{\text{(x}-\text{y)}}^{\text{2}}}\text{;}\frac{\text{7}}{\text{x}+\text{y}}\text{;}\frac{\text{1}}{{\text{y}}^{\text{2}}}$

D. $\frac{\text{4}}{\text{5(x}-\text{y)}}\text{;}\frac{\text{6}}{\text{3x}+\text{3y}}\text{;}\frac{\text{5}}{{\text{x}}^{\text{2}}-{\text{y}}^{\text{2}}}$