Answer:
In this story, the marigolds represent things which are important to people, that is all those things which matter to us, where we put our efforts and energy to make them more perfect and beautiful.
When the author says "I too have planted marigolds", she wants to express her compassion towards Miss Lottie, because she also has things which matter to her, the same as Miss Lottie.
In the end, the author wants to say that each of us has his/her own marigolds.
Look at this flea, and you'll understand that what you're denying me is very trivial. The flea sucked my blood first and then it sucked your blood. Now our bloods are mingled in the flea's blood. This mixing of bloods is not a sin or anything to be ashamed of. The flea now grows big with a new life inside it. The little bloodsucking flea has achieved much more than what we as lovers have attained.
<span>The narrator is criticizing England for being completely inhuman with regard to other nations and their people. hope i helped!</span>
the answer would probably be C from what I think