Revision involves clarifying purpose and meaning.
All other choices would be incorrect because they are a part of the process of editing.
Answer:
<em>'He is the same colour </em><em>as </em><em>the earth, and a great deal less interesting to look at.'</em>
Explanation:
George Orwell uses Simile, a figurative language device that compares two things using the adverbs like or as.
When describing the people working on the land he refers to them as the unvisible part of a (beautiful) visible landscape. This is a very subtle way of critisizing the British Empire that ignores (they don´t see them) the working people who, seen by Orwell, are doing important work.
Answer: The girl school was blasphemy
I got the answer right :D