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
Heaptitis A true is 
Select and explain. 
A. 3% incidence of carrier state, B. Causes mild illness in children, C. Sexual route common, D. 10% transform into HCC
B: Causes mild illness in children
Answer: B: Causes mild illness in children 
Explanation: None