Zajonc (1993)argued That Smiling Leads to an Increase in Positive

Zajonc (1993) argued that smiling leads to an increase in positive emotions through which mechanism?

A) stimulating electrical impulses that activate the pleasure pathways in the brain
B) increasing the release of pleasure-enhancing endorphins between neurons
C) stimulating sympathetic nervous arousal that increases one's pulse
D) increasing the flow of air-cooled blood to the brain