This article concludes that_________ contribute to the remarkable long life of these peoples.

A．the fever process is widespread because moderate fevers have benefits
B．the reduction of fevers can inhibit bacterial growth
C．man can use sun lamp to raise lizards' temperature
D．Crayfish injected with bacteria have a purpose for moving to hot areas

A．Coldblooded animals can develop fevers.
B．There are benefits to developing fevers.
C．Fevers inhibit bacterial growth.
D．Lizards can develop fevers.