You are answering a USMLE-style medical question. Question: A 42-year-old man presents to his primary care physician for a follow-up visit. He has type 1 diabetes mellitus, for which he takes insulin. He complains of frequent episodes of waking up in the middle of his sleep. When he wakes up, he feels excessive sweating, hand tremors, and weakness. His morning blood glucose is high on repeated measurement. Which of the following is the optimal intervention for this patient condition? Options: A) Reassurance B) Adding pramlintide C) Increasing daily insulin dose D) Reducing daily insulin dose Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.