题目内容：
You have located an excellent source from the library to use in your argumentative essay, and you need to mark the text. The best way to make annotations in this library book is to （）.
A.fold the corners of the important pages under slightly in order to mark them
B.underline in pencil and go back and erase when you are finished
C.use a highlighter because you know the library will be happy to see the book being used
D.use sticky notes for your annotations because they can be removed later
参考答案：