Did you get the answers??
She is speaking about times in which man becomes most desperate that in times where one is attacked, hurt or in a position from which something awful may occur they become their most powerful. This can be related to times where you struggled and found strength within yourself to do what you thought was impossible.
A., C., and D. are all correct
Historical fiction in my opinion would be to put the reader right there in the past. So my best answer would be B.