This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Crohn's disease 
Select and explain. 
A. has oral ulcerations similar to major apthous ulcerations, B. is a self limiting Lesion, C. is commonly seen among Indian population, D. is usually treated with Erythromycin
A: has oral ulcerations similar to major apthous ulcerations
Answer: A: has oral ulcerations similar to major apthous ulcerations 
Explanation: None