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

A On average, people consume 30 percent less coffee today than they did 10 years ago.

B Heavy coffee drinkers may have mild withdrawal symptoms, such as headaches, for a day of so after significantly decreasing their coffee consumption.

C Sales of specialty types of coffee have held steady as sales of regular brands have decade.

D Coffee prices increased steadily in the past decade because of unusually severe frosts in coffee growing nations.

Solution

Correct Answer: Option C

Solution

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