Maria___shy,but now she is quite outgoing .She has made lots of friends.

be used to doing sth 习惯于做某事
used to do sth 过去常常
答案应该是：used to be
玛利亚过去很害羞,但现在她很开朗,I’m not used to___like that。A，being spoken toB，speaking to为什么选A啊?be spoken 被动语态，句子意思是：我不习惯（被人）那样对我说。