According to the attached scenario, it can be concluded that Pierce has prejudice, that is, he is biased in making a conclusion based on his experience. He does not identify all drivers as bad, but only teenagers, not on the basis of some official statistics or studies, but on the basis of what he has seen. It is probable that every time he saw a bad driver, it was a teenager, which should not be a general conclusion based on someone's specific experience.
The answer is: B.