D
【翻译】你就是要这个男人帮我修收音机吗?
【词组】have sb do sth 让某人做某事,这里的have为使役动词
【解析】this is the man ( ) you want to have ( ) the radio for me.
定语从句的先行词为人时,关系代词可以用who或that
【扩展】have sth done: have the radio repaired /have hair cut （让人）修收音机/理发