Answer:
B
Explanation:
I say B because if you are the one writing a persuasive essay you should use facts to back up your own thoughts not anyone else's. Another reason you should pick B is because how many times have you wrote a persuasive essay without any factual evidence, that would be just your opinion if you have.
noun phrase: the little girl
prepositional phrase: on the corner
adjectival phrase:playing in town
adverbial phrase: by the fire department