问题学习法的缺点不包括哪一个？ The disadvantage of problem based learning method does NOT include that __.
A.案例可能不适合现实情况的需要 the case may NOT be suitable for the needs of the reality
B.需要较多的培训时间 it need many training time
C.缺乏互动和反馈 the lack of interaction and feedback
正确答案是C