Mr. Roberts has to step out of the class for a moment and tells Megan to watch the class. Megan is teased by her classmates for being a "goody-goody" and the teacher's pet. When Mr. Roberts returns, Megan tells him that she does not ever want to be left in charge of the class again. In this situation, Megan was:(a) negatively reinforced by her classmates(b) positivley reinforced by her classmates(c) both a & b(d) none of these