in laws snooping

I totally just caught my Inlaws eavesdropping on my conversation with my husband. Husband and I currently live with Inlaws. He is at work and we were talking on the phone. I was in my room with the door closed and just as I said something not so kind about a parent whose phone rings right outside my door?!? No other than my Inlaws. I feel embarrassed that I said something unkind and that they heard it. I don't want to come out of my room at all knowing they heard me. They have been very judgemental about me lately and they think I am oblivious to it. And for some reason they keep telling/asking my husband why I hate them?? I have come to feel very uncomfortable living here with them but I don't have any place else to go. I am about to have my first baby and all I can think of is moving back to my moms house where I feel like I am comfortable and have support.