I believe the answer is sibilance correct me if i'm wrong.
Answer:
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Explanation:
no one would have believed in
he last years of the nineteenth century that this world was being watched keenly and closely by intelligences greater than man’s and yet as mortal as his own; that as men busied themselves about their various concerns they were scrutnised and studied, perhaps almost as narrowly as a man with a microscope might scrutinise the transient creatures that swarm and multiply in a drop of water. With infinite complacency men went to and fro over this globe about their little affairs, serene in their assurance of their empire over matter. It is possible that the infusoria under the microscope do the same. No one gave a thought to the older worlds of space as sources of human danger, or thought of them only to dismiss the idea of life upon them as impossible or improbable.
<h3>H.G. Wells, The War of the Worlds</h3>
If an author is unknown you would start with the title. The correct answer is D.
I personally am not 100% sure but my guess would be SAID as it is the only word showing an action.