You are answering a USMLE-style medical question. Question: A 28-year-old Caucasian woman presents to your office with recurrent abdominal cramping on her left side for 6 months. She additionally reports bloody diarrhea and tenesmus. You suspect ulcerative colitis. Which of the following findings would most strongly confirm your diagnosis? Options: A) Involvement of terminal ileum B) Noncaseating granulomas C) Transmural inflammation D) Continuous mucosal damage Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.