Answer:
I think the best explanation for this sentence can vary. If you're looking for an explanation on this sentence via current day situations I'd say its about the social injustice and camps being held at the border of the U.S right now. In other terms it could mean that "we" didnt initiate it, but it came anyway.
Answer:
B. Kelvin did not have the benefit of a science education at school.
It’s A. Presenting a choice between options