"I've Been Diagnosed with Gambling Disorder," a Friend Says

"I've been diagnosed with gambling disorder," a friend says. "Which kind of therapy works best?" Based on current research, your BEST response is:

A) "Short-term psychodynamic therapy seems best."
B) "Drugs alone should do the trick."
C) "I'd suggest drug therapy plus cognitive-behavioral therapies."
D) "I'd suggest cognitive-behavioral therapies, biological therapies, and self-help groups."