The Hormone Insulin Enhances the Transport of Glucose into Most

The hormone insulin enhances the transport of glucose into most of the body's cells.Its secretion is controlled by a negative-feedback system between the concentration of glucose in the blood and the cells that secrete insulin.Which of the following statements is most likely to be correct?

A) A decrease in blood glucose concentration will stimulate insulin secretion, which will in turn lower the blood glucose concentration still further
B) An increase in blood glucose concentration will stimulate insulin secretion, which will in turn lower the blood glucose concentration
C) A decrease in blood glucose concentration will stimulate insulin secretion, which will in turn increase the blood glucose concentration
D) An increase in blood glucose concentration will stimulate insulin secretion, which will in turn increase the blood glucose concentration still further
E) None of the choices are correct