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: Social & Preventive Medicine
According to WHO criteria, all are true in a normal person except 
Select and explain. 
A. Sperm count >20 million, B. Aggressive forward motility in >25%, C. Normal morphology in >15% (strict criteria), D. Volume >1 ml
D: Volume >1 ml
Answer: D: Volume >1 ml 
Explanation: None