According the Research, Smokers Find It Difficult to Give Up

Multiple Choice

According the research, smokers find it difficult to give up smoking because

A) of the reinforcement enhancing effect that nicotine has on cues, such as talking or socializing.
B) the extreme withdrawal symptoms that occur when one quits smoking.
C) the mild depressant effects that nicotine has on the brain and how it lowers anxiety.
D) nicotine is more reinforcing to the pleasure centers of the brain than any other drug.