A Parent Says, "My Son and I Argue Constantly Since

A parent says, "My son and I argue constantly since he started using drugs. When I talk to him about not using drugs, he tells me to stay out of his business." What is the nurse's most appropriate first action?

A) Educate the parent about stages of family development.
B) Report the son to law enforcement authorities.
C) Refer the son for substance abuse treatment.
D) Make a referral for family therapy.