Hello! The four types of author's purpose are:
Inform: Filled with facts, used to give information
Persuade: Used to give an opinion, and designed to persuade someone to change their opinion on something.
Entertain: Usually just a story told by the author
Express: This is the least used. It is a written work where the author writes things they are thinking.
It will be D: <span> It's important to never give up on your dream, no matter how hard the sacrifice and struggle.</span>
The sources quoted by the site and the amount of content that is based solely on opinion can help one evaluate how biased a site is.