Seymour Used to Get Quite a "Buzz" from His First

Multiple Choice

Seymour used to get quite a "buzz" from his first cup of coffee in the morning. Now he finds that he doesn't start to feel alert until his third cup. This suggests that Seymour ​

A) has developed a caffeine dependency.
B) has developed a drug tolerance for caffeine. ​
C) is experiencing the effects of caffeine withdrawal. ​
D) has become caffeine intolerant. ​