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: Pharmacology
Inotuzumab acts against : 
Select and explain. 
A. CD11, B. CD19, C. CD22, D. CD25
C: CD22
Answer: C: CD22 
Explanation: Inotuzumab is a monoclonal antibody against CD22 used against B-cell Precursor all.