单选题 His parents wouldn't let him marry anyone______ family was poor.
【正确答案】 D
【答案解析】解析:语法题,此题考查定语从句的用法。本题空中需填入一关系代词来指代先行词any—one,且该关系代词还要在定语从句中能担任主语family的定语,因此,这关系代词还要是所有格形式,综合考虑上述因素,只有D符合这些要求,故选D。