Which statement is the best explanation of the following: Sympathetic nerve stimulation increases systemic vascular resistance.

A) Sympathetic nerve stimulation causes many of the arterioles in the peripheral circulation to constrict.
B) Sympathetic nerve stimulation causes peripheral venodilation and a decrease in preload.
C) Sympathetic nerve stimulation reduces afterload in the systemic circulation.
D) Sympathetic nerve stimulation causes a vasodepressor effect.