Tom was very hungry----he ate all the cakes.A and B so C but A和B怎么区分
问题描述：
Tom was very hungry----he ate all the cakes.A and B so C but A和B怎么区分
答
B
因为饿了，所以全吃光了
答
and表示并列，so表示原因
答
看这两小句英文话,是有因果关系的,因为TOM很饿,所以（即SO）他就吃了所有的蛋糕.SO意思是“所以”.
And 多用于表示并列没有明显因果关系的两句话相连.比如：What's your name,and can we make friends?