What Is an Advantage of Using Benzodiazepines as an Adjunctive

What is an advantage of using benzodiazepines as an adjunctive treatment for nausea and vomiting associated with chemotherapy?

A) The long half-life will prolong the effectiveness of other drugs.
B) They increase a sense of euphoria.
C) The patient will not develop tolerance to the medications as quickly.
D) The antianxiety effect helps,in addition to reducing the frequency of nausea and vomiting.