Salim Likes to Have Coffee

Salim likes to have coffee. He has begun to consume several cups of coffee even when he has nothing much to keep himself busy. He says that coffee keeps his spirits up by alleviating boredom. This indicates that Salim ________.

A) has developed a physical dependence on coffee
B) has developed a psychological dependence on coffee
C) has kept himself away from an overdependence on coffee
D) is experiencing withdrawal symptoms