Which of the Following Statements About Resistance to Venous Return

Which of the following statements about resistance to venous return (RVR) is true?

A) An increase in venous resistance causes an increase in RVR
B) Increased parasympathetic stimulation causes an increase in RVR
C) An increase in RVR causes an increase in venous return
D) Sympathetic inhibition causes an increase in RVR
E) Changes in arterial resistance have a greater effect on RVR than do equal changes in venous resistance