Answer:
Correct answer is B) online newspapers
Step-by-step explanation:
B is correct answer because every newspaper, including the online are sharing content that is previously checked by the author's and they have to obey certain rules of journalism.
A is wrong because anyone can create a site and share content.
C is wrong because content shared on media isn't always reliable, as it can come from different sources.
D is wrong because information without an author is not valid.