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
If a new sputum smear positive patient of tuberculosis continues to be smear positive at the end of intensive phase of category I treatment under DOTS, further management of this patient would be to- 
Select and explain. 
A. Start category I treatment again, B. Treathim as failure and start category II treatment under DOTS, C. Continue the intensive phase or treatment for one more month, D. Start continuation phase under category I
C: Continue the intensive phase or treatment for one more month
Answer: C: Continue the intensive phase or treatment for one more month 
Explanation: None