Which Statement Summarizes the Basic Difference Between Diabetes Mellitus and Diabetes

Which statement summarizes the basic difference between diabetes mellitus and diabetes insipidus?

A) Diabetes mellitus results from too little insulin, whereas diabetes insipidus results from too much insulin.
B) Diabetes mellitus results from problems with the pancreas, whereas diabetes insipidus is results from a problem with the pituitary gland.
C) Diabetes mellitus onset is typically in children, whereas diabetes insipidus onset is primarily in adults.
D) Diabetes mellitus results from an imbalance in insulin, and diabetes insipidus results from an imbalance in glucagon.