The correct options are
B An individual posting an article on Twitter.
D An individual posting a video blog on YouTube.
Platforms such as YouTube and Twitter are both examples of digital media that have become popular since the inception of the internet. Such platforms act as ultra-modern periodicals. Citizens can play a major role in the process of news making in this context. With the help of smartphones, active citizens can record a video they would like to share and upload them on their social media accounts. Also, many people write blogs, shoot vlogs, write posts, and upload them on various portals that are all examples of digital media.