According to Watson's famous quote regarding the rearing of children, if given a dozen infants and control of their world, he could:

They giveaway sto the public

Ibelieve the answer is b,hope my answer has you : )

It doesn't state that he washed his hands before or after preparing this poultry. even though he had it in seperate bags the bacteria from the poultry could have entered the vegtables because of a lack of handwashing. so cross-contamination is a very possible answer.