The best answer is C. It's important to use updated information in your research, therefore why B and A are not the answer. As for D, information from the Internet can be trustworthy; it depends on which site you're using. For example, .gov is a good site to use.
Hey!
Ambitious means to show strong desire for succeeding in a certain task or project. Literally meaning to have a strong will to do something. ''
Hope this helped! :)
C because it’s attracts new audience and pulls people to loon at the blog