Fluid in the Lymphatic System, as Well as Interstitial Fluid

Fluid in the lymphatic system, as well as interstitial fluid, is

A) derived from blood plasma.
B) pumped from the left ventricle into lymphatic vessels and then back into the right atrium.
C) composed mostly of formed elements from blood.
D) the liquid portion of fluid escaping from the digestive system.
E) produced by the endothelium to lubricate the interior of vascular tissue.