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
Floor space of 2 persons – 
Select and explain. 
A. 70–90 sq.ft, B. 90–100 sq.ft, C. 50–70 sq.ft, D. 110–120 sq.ft
D: 110–120 sq.ft
Answer: D: 110–120 sq.ft 
Explanation: None