A parallel sentence mentions the same grammatical expression twice. I would go with "D". 'Passed' and 'Demonstrated' are both past tense words that express the same past tense grammatical idea.
If you have more questions, feel free to ask me.
Someone accidentally left B. His or her back back on that park bench. You are referring to a person.
Are you going to the show? i am going to be late. see you in 20 minutes.
I forgot about the show! I’ll be right there!
are you serious? where are you? it is starting.
i’m at the theater.
i don’t see you. are you in the right theater?
i think so... we’re seeing zootopia, right?
what? are you kidding? did you bring your little sister or something? why would we see that? we’re watching zoolander!
i knew that. i’m on my way right now.
B. Jim is revealing to Huck that most people are not what they seem.
I think, I am sorry if I am wrong ;/
