Escherichia Coli,a Bacterium That Normally Lives in the Gut of Humans,will

Multiple Choice

Escherichia coli,a bacterium that normally lives in the gut of humans,will have the shortest generation time when it is found

A) on foods in a refrigerator set to a low temperature.
B) on the inside of a toilet at room temperature.
C) in an incubator set close to human body temperature.
D) on foods left out at room temperature.