题目下列多项式的乘法中,可以用平方差公式计算的是（ ）A.(x+1)(−x−1)(x+1)\left(-x-1\right)(x+1)(−x−1)B.(2+a2)(2−a2)(2+a^{2})(2-a^{2})(2+a2)(2−a2)C.(−x+y)(x−y)(-x+y)\left(x-y\right)(−x+y)(x−y)D.(x2+y)(x−y2)(x^{2}+y)(x-y^{2})(x2+y)(x−y2)知识点：平方差公式章节：数与式 / 整式
