3. Which sentence best expresses the main idea of paragraph 7?
A. Many people drink far too much caffeine.
B. Those who are addicted to caffeine continue to get their "fixes" all
day long and even into the evening.
c. People who are dependent on caffeine often suffer from headaches,
grogginess, and moodiness.
D. Although it is considered a "soft addiction," caffeine dependency can
create real physical and emotional problems.