It can be learned from the text that the teachers ban harmful experiments to animals in order to ______.

A．Science teachers banning testing harmful to animals.
B．Teachers' policy change in experiment on animals.
C．The new policies of banning harmful experiments to animals.
D．The importance of prohibiting harmful experiments on animals.

A．animal abuse is horrible and should be terminated
B．the teachers have been compelled to do all animal experiments
C．prohibition of experiments on animals will discourage students from being curious
D．the International Science and Engineering Fair will cease to operate because of the new policies