Can a teacher said I don't want to teach because you didn't attend her class once?

I was ill that day, So i didn't go to university that day.The next day,When i'm at the Class,the teacher said you are a student that ruin her class.I didn't do anything.I just didn't attent her class because I was ill.And Before two Weeks to exam,The teacher called everyone to do practicals,And i went there.When i ask a question about something she said '' I can't explain to those guys who didn't attend my class.'' That's what she said, I feel so upset. Please help me guys,what should i do? I have no power to argue against her.