The correct answer is A. Mass media.
Explanation
A communication medium is a tool that has been used over the years to communicate a fact to the public directly. In the communication media, there are written media such as magazines, newspapers, among others; audiovisual such as television; auditory such as radio and digital mass media such as the internet. The internet as a means of communication has made it possible to reach more readers because most people have access to the content that is published on the internet, making this a massive means of communication. So if Sasha publishes an article on the internet, not only people from her country will be able to access it, but also people from all countries in the world. So the correct answer is A. Mass media.