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: Medicine
Which one of the following is the cause of non - cardiogenic pulmonary oedema seen in immunologic blood transfusion reaction - 
Select and explain. 
A. Antibody to lgA in donor plasma, B. Antibody to donor leukocyte antigen, C. Donor antibody to leukocyte of patient, D. RBC incomapatibility
C: Donor antibody to leukocyte of patient
Answer: C: Donor antibody to leukocyte of patient 
Explanation: None