问题详情

Which of the following is NOT true？
A．If the teacher well unites his students and creates a positive atmosphere, he then will complete his task.
B．If guidelines are not acceptable both to students and teachers, the classroom can be a mess.
C．Outside pressures may cause stress among students.
D．Students need the teacher just as sheep need a shepherd.请帮忙给出正确答案和分析，谢谢！