How Does Cotransport of Sodium in a Symport Facilitate Glucose

How does cotransport of sodium in a symport facilitate glucose absorption?

A) Active transport of sodium aids in salt uptake.
B) When sodium diffuses into cells, glucose is carried along with it.
C) When sodium is pumped into cells, glucose moves out of the cells.
D) Sodium and glucose both diffuse into cells from the gut.
E) Glucose is actively transported into the gut.