Sponsored links are links that have been paid for in order to bring them to the first positions when the engine returns the results of the search. Organic links are links that have not been paid for. Your answer is D.
In this question, the answer is option D because in the Google search results the Sponsored link are links that have been paid for in sequence to bring them to the first points when they return the result of the searching. Organic links are links that have not been paid for.