Answer:
C. The hound attacks Montag and stabs him in the leg with a numbing agent.
Step-by-step explanation:
Before the mechanical hound attacks Montag, he was able to shoot and destroy the hound using the flamethrower. The numbing agent hurt him but he was able to escape the scene. He then arrived to the Faber’s home. These incidents take place in part three of the story where Montag is attacking the Mechanical hound and trying to protect himself.