What information supports the idea that food should not be left out overnight?

A) Canned foods must be cooked to a high temperature under pressure as part of the canning process.
B) Recently, a number of outbreaks have been traced to fresh fruits and vegetables that were processed under less than sanitary conditions.
C) A broiler chicken carcass can be exposed to the drippings and juices of many thousands of other birds that went through the same cold water tank after slaughter.
D) Given warm moist conditions and an ample supply of nutrients, one bacterium that reproduces by dividing itself every half hour can produce 17 million progeny in 12 hours.
E) Changing a baby's diaper while preparing food is a bad idea that can easily spread illness.