Read the scenario below and answer the question that follows. William is working hard to complete his math homework. Usually, he doesn't need much help, but today, he doesn't understand one of the concepts from the lesson. When William asks for help, his teacher acts surprised and says, "Oh, I thought you would have understood better than anyone since you're Asian." The instructor goes on to explain the concept to William. Which of the following statements is true?

A. William's instructor believes a positive stereotype.

B. William is probably not a good math student.

C. William's teacher seems to be conscious of his prejudice.

D. William is likely to be unaffected by the teacher's comment.