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
[{'content': 'Lineage specific T Cell marker is \nSelect and explain. \nA. CD 1, B. CD 19, C. CD 3, D. CD 4', 'role': 'user'}, {'content': 'Answer: C \nExplanation: CD 3 is considered as lineage specific for Tcells.', 'role': 'assistant'}]