单项选择题
A．it senses a coming danger B．it is forced to swim on a hot day C．it is short of its favorite food D．it wants to keep itself to itself
A．Wild Animals B．Animal Kingdom C．Moss Growth D．The Lazy Animal
A．The sloth does not eat any meat B．For most of its time, the sloth remains motionless on the ground C．To some extent, the sloth is protected by the moss growing on its body D．The sloth has a brown fur of its own