It’s a subcordanating conjunction
Literally take a story from something in your life that has made an impact on you. Make an introduction then explain what happened then explain how it’s relevant to what you’ve learned through the experience and give a conclusion to why it was important. But give details
Its probably B
he claims they are just people who can't make a significant difference if they act so they should just stand down
it's my guess anyways
it is B
in choice c was should be were
in choice d liked should be like
in choice a, know should be knew