The type of titles that should be underlined is:
Your question is not complete as it does not fully explain why we should underline in this context, but i believe this is when you are making a reference.
With this in mind, then the answer would be a magazine article. This is because when making a reference from a magazine source, then it is important to underline the topic of the chapter that you are citing from.
Making a reference is important to protect the integrity of your source and also to give due credit to the owner of the article.
Therefore, the correct answer is option C
Read more here:
https://brainly.com/question/2709613
