Answer:
D.
Explanation:
The text 'Mad Cow, Furious Farmer' chronologically details the epidemic that took place globally. Mad Cow disease, also known as BSE (Bovine spongiform encephalopathy) was the disease that of cattle, which is incurable. The case was first detected in England in 1986.
The author's use of chronology help support the idea that BSE was a watershed moment by showing that how frustrated people were when the government did not do anything for 10-years, after the first case detected.
Therefore, option D is correct.