This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small intestine, Subject name: Surgery
In small intestinal malignancy: 
Select and explain. 
A. Most common site is caecum, B. MC site of carcinoid tumor in GIT - jejunum, C. MC malignant tumor is adenocarcinoma, D. Less common due to decreased intestinal transit and increased enzymatic action
C: MC malignant tumor is adenocarcinoma
Answer: C: MC malignant tumor is adenocarcinoma 
Explanation: Small Bowel Tumor- MC SBT - Stromal tumor > Adenoma- MC SBT in children - Lymphoma- MC malignant SBT - Adenocarcinoma > Carcinoid MC site of carcinoid tumors in GIT-ileum