终身教育思想是20世纪90年代正式发展起来的一种比较完善且影响广泛深远的理论体系。（）

A. many teachers are opposed to the idea of being evaluated by the students
B. students are opposed to the idea of evaluating the teachers on their own
C. students fear that they are likely to be criticized by their teachers if they are to give their assessments
D. many teachers fear that they are likely to criticize the students who have given their assessments