A
one of +名词/代词 其中之一(of后面的名词必须是复数,但与这个结构连用的动词必须是单数)One of your friends is waiting for you now.如果在定语从句中出现了one of作为先行词,它后边的关系代词指代的是后面的复数名词,故定语从句的谓语动词不用单数第三人称形式;如果在one of前面还有一修饰词 (the) only,那么后边的关系代词将指代one这个词,才作单数看He is the only one of those rare people who believes in ancient myths.
believe vt.相信,认为Do you believe that cats eat grass?believe in 信任,信赖(人格、力量等);信仰;相信……的存在,相信……的价值 I believe in God.我信仰上帝.