A 14-year-old girl with history of prolonged fever and abdominal discomfort is observed to have splenomegaly and leucopenia.In the course of the disease she develops acute abdominal event and died.Which of the following is the likely finding on autopsy:

• A. Longitudinal ulcers
• B. Transverse ulcers
• C. Pseudopolyps
• D. Pinpoint ulcers