The correct option is NUMBER 2.
The statement in number 2 option shows that the morlocks are capable of processing and exhibiting mental operations. This means that the morlocks are intelligent to some extent, this type of intelligence is also found in humans.
If you think about it computers is a current and recent invention we use today so it will most likely be passed onto current generation you can definitely eliminate d because it wasn't as much technology pack tge that we have today . So use the method trial and error. Hoped that helped!!!!