A 6–month–old infant presents to the 'diarrhoea clinic' unit with some dehydration. The most likely organism causing diarrhea is –
(A) Entamoeba histolytica (B) Rotavirus (C) Giardia lamblia (D) Shigella
(B) Ghai states - "In India Rotavirus and enterotoxogenic E.coli account for nearly half of the total diarrhoea) episodes among children".