Of little leaves opening stickily I think
Answer:
I believe its editing.
Explanation:
You proofread first and then you change some of the things in the paper before you start the final copy. So, you are editing.
The author explicitly says that spirit can be found in the voice of a character.
Explicitly means directly - so it means that the author didn't hide the fact that he knew what could be found in the voice.
Here is what he says:
<em>That is wholly appropriate, for in the breath—the voice—of a character lies its essential spirit.</em>
So the correct answer is definitely spirit.