question: Which of the following corroborates to the presence of clostridium difficle infection in patients taking antibiotics for another cause?
opa: Diarrhoea unformed stools per 12 h for 2 days with no other recognized cause
opb: Diarrhoea unformed stools per 24 h for 2 days with no other recognized cause
opc: Diarrhoea unformed stools per 24 h for 3 days with no other recognized cause
opd: Diarrhoea unformed stools per 24 h for 4 days with no other recognized cause