From Among the Following, Identify an Example of Reverse Tolerance

From among the following, identify an example of reverse tolerance.

A) A previous experience of using cocaine increases the user's tolerance to a second substance or class of drugs.
B) A previous experience of using sedative/hypnotic drugs decreases the user's tolerance to a second substance or class of drugs.
C) Experienced marijuana users find that it requires less to get high than when they began using the drug.
D) Intoxication is often more noticeable when the blood-alcohol level (BAL) is rising than when it is falling.