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
Lineage specific T Cell marker is 
Select and explain. 
A. CD 1, B. CD 19, C. CD 3, D. CD 4
C: CD 3
Answer: C: CD 3 
Explanation: CD 3 is considered as lineage specific for Tcells.