Wendy Enjoys Drinking Two Cups of Coffee Each Morning

Multiple Choice

Wendy enjoys drinking two cups of coffee each morning. The caffeine in the coffee tends to hel her "wake-up"and focus on the tasks at hand. When she wakes, each morning she cannot wait to have that first cup. However, she never drinks more than two cups; and on the occasion when she has had to do without coffee, she has not experienced any significant physical discomfort. Thus, Wendy is exhibiting:

A) tolerance.
B) withdrawal.
C) a psychological dependence.
D) a physical dependence.