You pt, a 24 year old with T1DM for three years, manages his diabetes with multiple daily injections of basal and rapid acting insulin. He reports a trend of high morning bg and hypoglycemia just before meals during the day. The pt agrees to wear a CGM for three days. Upon examination of the report, you notice two occurrences where the pt's bg dropped below 60 mg/dL overnight. On the one night when this did not occur, fasting morning bgs were within target rangE. What is the likely explanation for what this pt is experiencing?
A. Somogyi phenomenon
B. Dawn phenomenon
C. Inappropriate nutrient balance at night (needs more protein)
D. Fluctuations in the honeymoon period