【单选题】Denny His nickname is Denny. He weighs 400 pounds he is fearless and he never goes to sleep on the job. An ideal security guard? For many situations he may be. And if he's so good that you wish you ha...
A.
has mechanical anus and legs.
B.
has microwave and infrared sensors.
C.
has a built-in computer.
D.
depends on his built-in radio for distinguishing a friend from an enemy.