Indifference because throughout the quote, the author just stated facts in a "no-emotion" standard. The use of the word "interesting" may lead to some thinking that it'd be fascination but the use of it does not change the overall tone much
They are distributed around the global oceans. They live in the temperature and tropical waters of the Pacific and Atlantic oceans and every sea that has this kind of waters.
That would be D. sight.
Reading those lines, you imagine, or "see" what is being described.
