Which sentence is written in third-person point of view?
once a small crowd of protesters, we were now an angry mob.
our small crowd of protesters was now an angry mob.
the small crowd of protesters had turned into an angry mob.
your small crowd of protesters has now become an angry mob.

The right option is; The small crowd of protesters had turned into an angry mob.

The third-person point of view is a form of writing in which a narrator expresses all the action of his work using a third-person pronoun such as he, she, they, them, their, his, and hers. A third-person point of view may be limited in which the narrator only expresses his own thoughts and knowledge about a situation, and it may be omniscient, in which the narrator expresses all of the character’s thoughts and feelings in the story

hello and welcome to the town of river dale. if you come to river-dale trust me you wouldn't want to leave.  

the story is not posted