题目内容：
Which of the following might be a possible change to be brought about by trigger warning to literature teaching?
A．Teachers will abandon materials related to racism, sexism, violence, etc. B．Teachers will ignore students' requests for a "safe space" in designing their syllabi.
C．Teachers will give students advance notice of the content that is likely to distress or offend them.
D．Teachers will allow students to express different and uncomfortable ideas to enlarge their experience.
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