Answer:
B
Explanation:
A and C seem like they're presenting new info, D doesn't say anything about the Great Blue Hole, so yeah process of elimination says it's B?
Answer:
B
Explanation:
The answer choice that functions as a concluding sentence is the following one: The Great Blue Hole is now one of the country’s top tourist attractions. A concluding sentence gives a sense of finality and completion to the subject being discussed in the text.