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.
What is the play?
and what are the options?
This what i found hope it helps
<span>“Recessional” is actually a poem written by the author Rudyard Kipling. And based on the words above taken from this poem, the idea that is being expressed here is that courage is all-important. The answer to this would be the third option. Hope this helps.</span>
B: Occur naturally, have a fixed chemical composition