It can be a sign that she is attracted to you because it would suggest that she wants to have your attention on her, she wants to get a reaction out of you and she wants to make your conversations more playful.

What does mocking do to a person?

Mock is to tease someone or make someone the object of scorn, or to mimic or imitate someone to get laughs or to insult the person. When you point out how silly and stupid someone's answer is, this is an example of when you mock the person.

What to do if someone is mocking you?

Reacting Directly to Ridicule. Confront those who are mocking you. Although it might be intimidating to talk to the people who are mocking you, addressing them and their ridicule head on might help the situation. Ask personal questions and try to understand why they are mocking you.