Which sequence below correctly describes the maintenance of blood glucose levels?

• A. Low blood sugar, pancreatic beta cells stimulated, insulin released, breakdown of glycogen in target cells
• B. High blood sugar, pancreatic alpha cells stimulated, insulin released, uptake of glucose by target cells
• C. High blood sugar, pancreatic alpha cells stimulated, glucagon released, glycogen synthesis in liver
• D. None of the listed responses is correct.
• E. Low blood sugar, pancreatic alpha cells stimulated, glucagon released, breakdown of glycogen in target cells