Brendan Has Been Using Marijuana Daily for More Than Six

Brendan has been using marijuana daily for more than six years. If he stops using the drug, he might experience ________

A) withdrawal-like symptoms such as nervousness and changes in sleeping and eating.
B) a period of extreme depression and lethargy, but no physiological symptoms.
C) a potentially lethal withdrawal phase.
D) slowed reaction times, increased heart rate, and memory dysfunction.