试题题干
Teachers constantly reflect on what they do as a teacher and how their learners learn as learners. With systematic reflections and research, they improve their teaching and their learners' learning. Here the teacher is playing the role of a(an) （ ）.
参考答案
正确答案：
试题解析
考查教师角色。教师经常反思自己作为教师应该做什么、学生应该怎么学习，并通过系统的反思与研究，最终提升自己的教学水平和学生的学习水平。这体现了教师的研究者角色。故选C。