You Are in a Class and Have Answered the Majority

You are in a class and have answered the majority of the professor's questions. However, in your very next attempt to answer, the professor appears to ignore your raised hand, even though no one else is volunteering. What is the MOST plausible explanation for your professor's reluctance to call on you?

A) The professor doesn't like you very much.
B) The professor doesn't see that you want to answer a question.
C) The professor may be signaling you that you are participating too much.
D) The professor was not really expecting an answer.