Answer:
It's most likely B, sorry if I'm wrong
Explanation:
You don't want to have the past repeat itself so you learn about it to know its effect on the world.
Felled is the simple past tense
Falling can be your answer If youre verb but its not it
Fallen can be your answer if you want to know the past particple of the word for fall
Fell can be your answer if you were asking for the past tense of the word "fall "
Your answer: Fallen (option C) ; if option C isnt right then try going with option D. Fell
Answer:
Action verb is: imagined
Imagine is a verb...plus it's the only verb in the whole entire sentence