The protagonist's choice is either changed or stays the same. depending on what the choice is.
TᕼE ᗩᑎᔕᗯEᖇ I TᕼIᑎK Iᔕ ᗩᑭᑭᖇO᙭. 10 GᗩᒪᒪIOᑎᔕ ᗷTᗯ TᕼIᔕ Iᔕ ᗰᗩTᕼ ᑎOT EᑎGᒪIᔕᕼ
Answer:
Because it's human nature.
Explanation:
A grudge may arise from many human emotions. Jealously, sadness, anger...etc. When we get over one, it allows us to heal and when we don't, it can turn worse. For example, your really close friend forgot your birthday and now you have a grudge against them because you are hurt, angry and sad. They were your friend! but you feel betrayed and thus, you hold a grudge against them and once solved, you'll either get closer to your friend or have a damaged freindship.
Source: https://www.psychologytoday.com/us/blog/fulfillment-any-age/201710/why-people-hold-grudges-and-what-do-about-them
B is the correct answer.
In this case, there are no personal experiences stated. There are also no interviews with marine biologists about the future of coral reefs. So, the answer is, indeed, B.
I hope this helps!