Which list best describes how the author structures the information in paragraph 3?

(A) introduces an expert, connects the expert to the topic, presents relevant data, expands the point to include a broader problem
(B) introduces an expert, introduces the effect of a problem, explains the expert’s conclusion, presents relevant data
(C) introduces an expert, presents relevant data, critiques the expert’s research methods, includes a history of a problem
(D) introduces an expert, presents a cause, presents relevant data, includes a history of a problem