C. Together
You can gather evidence from the text such as the conjunction “or” to see that “alone” and “unison” are antonyms of eachother. Therefore, thinking of the opposite of alone is together.
2-3 Ideas is a good amount to have on each notecard
1.Import
2.Transport
I'm might be wrong on question 1 but hope it help you.
Answer: I can help but, may you leave a link to the story?
Explanation: