This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
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: 
Select and explain. 
A. Rotavirus infection, B. Enterotoxigenic E.coli infection, C. Staphylococcal toxin, D. Clostridium perfringens infection
D: Clostridium perfringens infection
Answer: D: Clostridium perfringens infection 
Explanation: None