Answer:
B is the correct answer
Step-by-step explanation:
When a large scale mining effort in the occean happen, the life of sea would be threatening and it would cause the habitats of many marine animals disrupted. Just imagine yourself is living peacefully in your house and suddenly, the huge area near your house start doing something really noisy and make you feel annoying, that would be the same with fish and other marine animals.
Hope this can help :)