Based on the text below, answer the questions that follow it. The paragraphs of the text are numbered.
The machine always wins: what drives our addiction to social media
(Adapted from https://www.theguardian.com/technology/2019/aug/23/social-media-addiction-gambling)
Which is the best option to change the sentence “Social media platforms have created a machine [...]” (paragraph 1) into the passive form?
A machine _______________ by social media platforms.