Which of the Following Components Are Responsible for Moving Lymph

Which of the following components are responsible for moving lymph from the lymph capillary to the lymph vessels?

A) The contraction of the skeletal muscles and the valves enable lymph to flow in one direction
B) The contraction of the smooth muscles and the valves enable lymph to flow in one direction
C) The contraction of the skeletal muscles and the veins that parallel the lymph vessels enable lymph to flow in one direction
D) The force of blood pressure at the capillary beds forces lymph to flow in one direction
E) Gravity helps lymph flow in one direction,moving away from the heart