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
All are true for transplanted kidney except -a) Humoral antibody responsible for rejectionb) CMI responsible for rejectionc) Donor's antibody on transfusion can cause rejectiond) HLA identity similarity is seen in 1: 100 people 
Select and explain. 
A. cd, B. bc, C. bd, D. ac
A: cd
Answer: A: cd 
Explanation: None