Regarding Barbiturates and Tranquilizers, Which of the Following Statements Is

Regarding barbiturates and tranquilizers, which of the following statements is FALSE?

A) At normal dosages, tranquilizers can cause drowsiness, shakiness, and confusion.
B) Rohypnol, or "Roofies," is referred to as the date rape drug because it has been used to spike the drinks of persons who were later sexually assaulted or raped while they were unconscious due to the effects of the drug.
C) Repeated use of barbiturates can cause physical dependence with some abusers suffering severe emotional depression that has ended in suicide.
D) Long-term usage of tranquilizers or taking a high dosage of this drug has not been shown to lead to a physical addiction.