一到英语选择题,What does the writer want to tell us through the story?

一到英语选择题,What does the writer want to tell us through the story?
What does the writer want to tell us through the story?
A.Words have nothing to do with life and death.
B.We should be careful of want we say to others
C.Destructive words can also be helpful.
D.We should never believe others.
请告诉我判断的方法,和解题思路.
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