The excerpt that best showcases the consequences of coveting the treasure is:
B) "The horrid thing seems to bring nothing but murder and misfortune to those who have anything to do with it, for three days after we sailed from the Cape Verde Islands our own crew mutinied and killed every one of their officers."
This response highlights the disastrous outcomes and the curse associated with the treasure, reflecting the theme of how greed and the desire for wealth can lead to chaos and destruction.