The answer Is A. by pausing for thought and asking for clarification.
The climax of a story is what the story revolves around, or the problem the character(s) is facing.
Answer: “We can be sure that many American taxpayers of the future will be asking ‘what good is it?’"
Tell her it's not the teacher's fault that you didn't study and get a good grade. Don't blame the teacher for your mistakes.