正确答案:( B ) are artists.A.mary and lucy's friend B.mary and lucy's friends解析:本题要考察名词所有格作定语时谓语问题,只是变化的考法。选答案前先看谓语动词“are”确定主语肯定用复数,又根据主谓就近原则,正确答案只能选B了,因为friends离谓语动词最近。【望采纳】