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: Surgery
[{'content': "True regarding Ca colon is - \nSelect and explain. \nA. Lesion on Lt. side of the colon presents with features of anemia, B. Mucinous Ca. has a good prognosis, C. Duke's A stage should receive adjuvant chemotherapy, D. Solitary liver metastasis is not a C/I for surgery", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]