以下哪一种情况会降低教员的职业威信？ Which of the following will reduce the instructor occupation prestige?
A.没有获得他应有的报酬 Did NOT get his due reward
B.镇定、有思想，且受过良好训练 Calm, thoughtful, and well trained
C.干了任何可能伤害学生自尊心的事 Do anything that might hurt trainee self-esteem
正确答案是C