Answer:
A is the correct option.
Step-by-step explanation:
Due to lack of standardization and screening process for documents which are uploaded on world wide web, anyone can put information on internet. it is easy to upload the content which is sponsored and aimed to influence others. Also, a web page may not contain honest opinion.That is why it is important to determine the reliability, currency,objectivity, Authority and other objectives of the website. We scan a web source for heavy sponsorship when evaluating a source of reliability.