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: Pathology
Site of lesion in endocarditis of rheumatic hea disease - 
Select and explain. 
A. Along lines of closure of valves, B. Free margin of valves, C. Both sides of valves, D. Valve cusps
A: Along lines of closure of valves
Answer: A: Along lines of closure of valves 
Explanation: Ans. is 'a' i.e., Along lines of closure of valves