1 . In the decade there has been significant decrease in coffee consumption.During this same time, there has been increasing publicity about the caffeine in coffee's adverse long term effects on health. Therefore, the decrease in coffee consumption must have been caused by consumer's awareness of the harmful caffeine. Which of the following, if true,most seriously calls into question the explanation above ?

• A. On average,people consume 30% less coffee today than they did 10 years ago
• B. Sales of specialty types of coffee have held steady as sales of regular brands have declined
• C. The consumption of fruit juice and caffeine-free herbal tea has increased over the decade
• D. Coffee prices increased steadily in the past decade because of unusually severs frosts in coffee-growing nation's.

Answer: Option D

Explanation: