You are answering a USMLE-style medical question. Question: A 50-year-old man visits his physician after 20 years of not seeking any medical care. He is concerned about his health after a colleague recently had a heart attack. The patient has no active complaints and says he feels healthy; however, he does not exercise regularly and lives a sedentary lifestyle. He is employed as an administrative position at a local college, and is seated at a desk most of the day. His father had a heart attack at age 54 and his mother is still alive with no health concerns. He does not smoke, only drinks socially, and does not use drugs. Today, his blood pressure is 130/90 mm Hg, pulse is 84/min, and respiratory rate is 14/min. Physical examination reveals an obese male with no significant findings. An ECG shows no abnormalities, and laboratory testing shows the following: Laboratory test Serum glucose (fasting) 105 mg/dL Serum electrolytes Sodium 142 mEq/L Potassium 3.9 mEq/L Chloride 101 mEq/L Serum creatinine 0.8 mg/dl Blood urea nitrogen 10 mg/dl Cholesterol, total 250 mg/dL HDL-cholesterol 35 mg/dL LDL-cholesterol 186 mg/dL Triglycerides 170 mg/dL Urinalysis Glucose negative Ketones negative Leucocytes negative Nitrites negative Red blood cells (RBC) negative Casts negative Which of the following lab abnormalities in this patient is an indication for treatment? Options: A) Blood pressure reading B) Patient’s weight C) High LDL-cholesterol D) Serum glucose level Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.