Answer: B
Explanation: Dashes are similar to commas. Reading the sentences aloud can help to understand which one uses the correctly.
Personification has been used
I'm 100% sure it's not C or D so just pick between A and B, because C is a noun and D is a noun and a verb
It depends what kind of activist we are talking about. If the activist was for human rights, we could possibly consider them as a humanitarian, because the definition for humanitarian is: concerned with or seeking to promote human welfare. This is quite similar to a human rights activist, so I would say yes.