The answer should be A) The twin experiences an ilness and the flight attendant helps her through it.
Explanation:
When someone that is close to you feels sick, you feel the necessity to comfort him/her in orde ot get better, this is because the link you have with this persons makes you ensure its survival. In this case, since she's feeling ill and they have a connection for their relationship (without knowing it) she feels something quite similar to this reaction. There are some other theories tht assure that twins get to feel the same sensations their twin has without even seeing them.
I would say that this excerpt is used to reveal the horrors of enslavement. It seems that Cugoano described the scene with some many details for the reader to be able to actually picture what was happening, the horror suffered and how it might affect any person in that place. It was not just him suffering but there were others who he could listen to, they were also crying.
