About presumptive treatment of malaria, TRUE is -

• A. 300 mg Chloroquine daily for 3 days
• B. 300 mg Chloroquine + 15 mg Primaquine daily for 3 days
• C. 600 mg Chloroquine stat followed by 300 mg 6 hours later, then 300 mg/day for next 3 days
• D. 600 mg Chloroquine only