英语填空（从句的连接词的选择）
---If you want to have a good relationship with your friends,you should change the way ______ you speak.
---I will try to do it.
A.that B.which C.A and B
答案给的是A,可我觉得是C,
P.S.如果解释的好（详细）,我会加悬赏的.
3Q.