As presented in the smoking cessation article, what is the "patch plus" method for smoking cessation?

a) Using a nicotine patch plus varenicline (Chantix)
b) Using a nicotine patch plus increasing coffee consumption
c) Using a nicotine patch plus a short-acting form of nicotine replacement like lozenges and gum for urges not relieved by the patch.
d) Nicotine patches plus scheduling an appointment with a psychiatrist or social worker.