How Does Insulin Lower Blood Glucose Following a Meal

How does insulin lower blood glucose following a meal?

A) It encourages carbohydrate breakdown in the bloodstream, and subsequent excretion through the renal system.
B) Released from the pancreas to the small intestine, it encourages carbohydrate breakdown in the digestive tract for easier excretion through the renal system.
C) It binds glucose in the bloodstream and assists in its excretion through the renal system.
D) It encourages glucose uptake into target cells by intracell signaling resulting in glucose transporter availability.
E) Both A and B are correct