---Shall we go there by boat for a change?
--- .
A. You say
B. It is up to you
C. It is hard to say
D. It is easy to tell
网友回答
A. You say
(答案→)B. It is up to you
C. It is hard to say
D. It is easy to tell
解析：情景交际。You say 你说过；It is up to you由你决定； It is hard to say难说；It is easy to tell很好说。根据上文，我们乘船去哪儿换换环境吗？可知选B最符合语境。