题目

________（无论多晚）, Mother will wait for him to have dinner together.  (late) 答案：No matter how / However late he is下列命题错误的是（ ）A．等腰三角形两腰上的中线相等B．等腰三角形两腰上的高相等C．等腰三角形的中线与高重合D．等腰三角形顶角平分线上任一点到底边两端点的距离相等