单选题 He is said to ______ the old couple for more than ten years.

【正确答案】 D
【答案解析】本题考查的是be said to…结构,+do为据说做了…; +have done为据说已经做了…;同理,be said to have been doing,为据说一直在做…,表示动作从过去到现在一直进行中。这句话的意思是,据说他十多年来一直在照顾那对夫妇。