D because if you insert in danger of in the sentence where vulnerable is it still makes sense.
Answer:
Unfathomable, perplexing, mystifying, and enigmatic are all words that mean difficult to understand, explain, or identify.
Due to the laws and consequences of having books, which represents knowledge in the novel, people have slowly developed to stop reading and getting rid of books all together. This willful ignorance caused many people in their society deter from crime which causes people to have a lacking of knowledge and a more simpler life of watching television. Censorship is used to limit people's knowledge in the story which makes it hard for people to force change since it goes against what people had already known for years.
Answer:
B. Missing a verb
Explanation:
Because you don't know what the dogs are doing outside.
The best word would be saw
hope this helped