When Asked by a Patient with TB How Long He

When asked by a patient with TB how long he will have to take his TB medications,the nurse's best response would be:

A) "Generally about 2 weeks."
B) "Depending on the drug, it may be as long as 2 years."
C) "TB drugs are usually taken throughout the lifespan."
D) "People frequently ask that question. It depends on many things."