What is the context it's in?
Answer:
I don't know what you have to pick from but here is this:
Explanation:
Like any good satire or allegory, and almost all of George Orwell's work, Animal Farm is full of social commentary. Though he dismissed the book as a "fairy story," Orwell wanted to show how even those popular movements that started with good intentions could become corrupted once they gained power.
Answer:
D: communities that use the latest digital technology, particularly computer systems that respond to input from networks of sensors, to deliver city services efficiently and improve urban life
Explanation:
This links back to the main idea of the passage and the writer wants a sentence in order "to help clarify the central concept of the essay."
