C:detachment because if it were anger it would have been more aggressive if it were embarrassment it would have been less straight forward and if it were longing it would have more of a wishful tone
I think the answer is round because of "sphere"
c many of us enjoy sampling books from diffrent areas of the world
An example of a question you should ask yourself is -Did the speaker present a clear opinion on the topic.
A biography of george washington :)
