This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'In gastric ulcer which aery is involved \nSelect and explain. \nA. Left gastric aery, B. Right gastric aery, C. Hepatic aery, D. Gastroduodenal aery', 'role': 'user'}, {'content': "Answer: A \nExplanation: Left gastric aery and splenic aery are the main aeries involved in the gastric ulcers. Ref: Gray's 40/ep-1179-80", 'role': 'assistant'}]