The answer is D as it can be a valuable experience
- is
- is
- requirements
- have
- reflect
- will have
- between
- been served
hope you are satisfied with my answer
<span>Tom Walker, the protagonist of Washington Irving's "The Devil and Tom Walker," meets the Devil in a swampy land on his way home. Tom, having lived with an abusive wife, "had no fear of the devil." So he was comfortable around the Devil</span>
This explains the writer’s experience of becoming friends with someone they have had trouble with in the past.