When the Patient with Type 1 Diabetes Asks Why His

When the patient with type 1 diabetes asks why his 7 AM insulin has been changed from NPH insulin to 70/30 premixed insulin,the nurse explains that 70/30 insulin mixture:

A) Is absorbed more rapidly into the bloodstream.
B) Has no peak action time and lasts all day.
C) Makes insulin administration easier and safer.
D) Give a bolus of rapid-acting insulin to prevent hyperglycemia after breakfast.