^-^老师请帮一下哦~~

(2010·吉林省通化市，45，1)-Where are the Greens ,may I ask?

　　--Well,they______to England.They have been there for nearly a week now.

　　A.have been B.are going to C.have gone D.will go

　　【答案】A

C.have gone?答案错了吗?

C.have gone表示回来了啊,有点不明白

但这是两个句子?也违背了词义?