问题
How can negative people have effect on us？ 查看材料
A: By influencing our emotion.
B: By telling us the nature of life.
C: By changing our ways of thinking.
D: By comparing their attitudes to life with ours.
B: By telling us the nature of life.
C: By changing our ways of thinking.
D: By comparing their attitudes to life with ours.
正确答案是：
