You Just Sat Down in Class Next to a Woman

You just sat down in class next to a woman that you know is in the drama club.You believe that people who excel in drama are also very likely to drink a lot of wine,so to start a conversation,you ask this girl about her favourite wine.She tells you about a chardonnay that she particularly likes,but she doesn't mention that she rarely drinks wine (she's more of a "beer person") .Once the conversation is over,you have no idea what she prefers and you're even more convinced that actors are big wine drinkers.Based on the research of Zanna and Cooper,what has happened here

A)  You've acted in a way that is discriminatory. 
B)  Your stereotypes led to a self-fulfilling prophecy. 
C)  You've succumbed to the social schema effect. 
D)  You've committed the fundamental attribution error.