I would say the answer is B, flashback, because she is writing about a past experience or memory, not about what is happening in the present time.
Douglass is implying that witnessing the celebration has shown him that the nation is even crueler than he thought.
Explanation: Fredrick Douglass explained that the hipocrisy of the country to celebrate freedom and rights while still owning slaves (and having him give a speech) makes the country much worse than he imagined.
Possibilities.. ever been offered an opportunity of a life time? or a chance to better yourself..? there will always be possibilities. However it’s all about how you approach them. In your life time there has possibly been hundreds of opportunities you blindly ignored everyday. It’s so important to keep an open mind, be brave and take chances or you may just... miss out on that “life time opportunity”. You’ll never know the outcome till you take that opportunity.. you want to run that marathon? but “it’s too cold” you want to go on that date but you’re “to nervous” stop making excuses and start living take that opportunity and do it for yourself. That feeling of accomplishment will always be worth it and you’ll never experience it till you stop making excuses, you owe yourself that much.
The Happy Medium wants to leave the kids with a positive image but instead she feels c) sad and guilty.