How Does Glucose Enter a Cell If Levels of Blood

How does glucose enter a cell if levels of blood glucose are high?

A) An electrical signal is passed through the blood, opening glucose channels within the membranes of cells.
B) Insulin molecules bind to glucose receptors, causing cellular responses to take up glucose.
C) The glucose molecules diffuse through the membrane.
D) Glucose pokes a hole in the cell's membrane, creating a channel through which it can move.