Pulse polio immunization is administration of OPV to -

• A. All children between 0-5 years of age on a single day, irrespective of their previous immunization status
• B. Children in the age group of 0-1 year only who have not been immunized earlier
• C. Children in the age group of 12-24 months only as the booster dose
• D. All children between 0-5 years of sge, whenever there is an outbreak of poliomyelitis