Gd is a cold-loving fungus. Thus, which characteristics of normal bat behavior can be most expected to favor the spread of this fungus to uninfected bats?

A) southward migration during the winter B) communal roosting in tightly packed clusters during hibernation C) reliance on fat reserves for calories during hibernation D) much-reduced metabolic rate during hibernation E) hibernating in parts of the cave that are farthest away from the mouth of the cave