<span>It should expand on information in body paragraphs.</span>
please write more! this is incomplete and makes no sense
D. The boat was too far away for the Coast Guard to reach the child.
I guess the paragraph break should be after the B) Ellen asked and "How are you feeling?" and Ellen said. Because while reading this dialog, reader need a pause between the information which these characters exchange. In my opinion, there must be graphical and emotional space between their introduction and next action that hasn't revealed yet. Also, I'd choose B to make this conversation looks alive.
Meaning that mans progress (maybe) is mostly driven by his needs and greed for the material things in life.