Which one of the following teacher statements is most likely to promote a mastery-focused rather than a performance-focused classroom environment? Question content area bottom Part 1 A. "Very good, everyone. Over half the class got either an A or a B on the last test." B. "C'mon now. Let's give some of these top students a run for their money on this assignment." C. "Very well done. Every person in the class improved on their scores compared to the last quiz." D. "Let's try hard now. I want to see a lot of A's and B's on the next test