"The depletion of water resources is a worrisome trend that impacts much of the world," insisted Dr. Sutton.
As far as I can tell, the only mistake is the end of the quote, where the comma should be within the quotation marks.
Answer:
The answer is D
Explanation:
This is because items in a series will sound grammatically correct if separated by a conjunction. A might seem like an ideal answer but a comma splice is using a comma to link two independent clauses.
Easily distracted
Courageous
Different
Half-god
Troublemaker
7.2 x 19.5 = 140.4
Answer: 140 meters squared
Hope my answer helps :)