An Adolescent Tells the School Nurse, "My Friend Threatened to Take

An adolescent tells the school nurse, "My friend threatened to take an overdose of pills." The nurse talks to the friend who verbalized the suicide threat. The most critical question for the nurse to ask would be:

A) "Why do you want to kill yourself?"
B) "Do you have access to medications?"
C) "Have you been taking drugs and alcohol?"
D) "Did something happen with your parents?"