What Is Most Likely to Happen to the Bacteria in Food

What is most likely to happen to the bacteria in food which is placed in a refrigerator at 4⁰C?

A) They die because bacteria cannot tolerate low temperatures.
B) They continue to multiply but at a much reduced rate.
C) They produce toxins which cause gastroenteritis when the food is eaten.
D) They all form endospores in order to survive.
E) They mutate in order to survive.