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
Chandler's index is - 
Select and explain. 
A. No. of eggs of hookworm in per gram stool, B. No. of eggs of hookworm in per gram soil, C. No. of eggs of hook work in 100 gram soil, D. Percentage of stool specimens positive for hookworms
A: No. of eggs of hookworm in per gram stool
Answer: A: No. of eggs of hookworm in per gram stool 
Explanation: None