Which of the following statement is correct about supporting materials？

A.Events you’ve observed， and things other people have said to you are not part of your personal stories.

B.Government publications are the most important source of the latest information.

C.It is necessary to tell everything about the material in one speech.

D.One important thing in information searching is to evaluate your sources.

正确答案：One important thing in information searching is to evaluate your sources.