Read the following context and choose the best option to answer the question.
Context: They came . Scratching at the door , my friends and neighbours . I looked them in the eye just so I could know that they were n't there anymore . I shot them . I shot them dead , again , my friends and neighbours .
Question: Why did the narrator shoot his friends and Neighbors ?
Options: 
A. He shot them because they were using a battering ram on his door .
B. He shot them because they were zombies .
C. He was dreaming that he shot the neighbors at his door .
D. The Neighbors on the other side of the door all had guns as well .


B