Thirty-eight children consumed eatables procured from a single source at a picnic party.Twenty children developed abdominal cramps followed by vomiting and watery diarrhea 6-10 hours after the party.The most likely etiology for the outbreak is:

• A. Staphylococcol toxin
• B. Clostidium perfringes infection
• C. Rotavirus infection
• D. Entero-toxigenic E.coli infection