There is not much time left: so I'll tell you about it______.
【正确答案】 B
【答案解析】解析:本题考查短语辨析。in brief(=in a few words),简短地(作状语),简言之(作插入语);in short,总之;in detail,详细地;in all,总计,总共。因为时间不多,所以应该是简单地说一下,答案选B。