guess地用法

问题描述:

guess地用法
---You know wh came yesterday?
---MR.Smith?
---_____.He came and watched the game.
A You guessed it.B How did you know that
C Well done.D That was good news.
CD选项可以排除,AB的区别是什么?

A 你猜的吧 表示猜错勒
B 你怎么知道的啊 表示猜对了