Answer:
Groups of Internet visitors who share opinions and have similar interests are called:
B) newsgroups.
Newsgroups are online discussion forums or communities where people with common interests can participate in discussions, share information, and express their opinions on various topics. They are a form of online forum where users can post messages, ask questions, and engage in conversations related to specific subjects or themes. Newsgroups have been a popular way for internet users to connect and discuss topics of mutual interest for many years.
Step-by-step explanation: