题目分式1xy\dfrac{1}{xy}xy1,−y4x3-\dfrac{y}{4{{x}^{3}}}−4x3y,3x2x2y\dfrac{3x}{2{{x}^{2}}y}2x2y3x的最简公分母是((( )))A.x2yx^{2}yx2yB.2x3y2x^{3}y2x3yC.4x2y4x^{2}y4x2yD.4x3y4x^{3}y4x3y知识点:最简公分母与通分章节:未标注