Read the sentence from "black hole beginnings."
as more stuff gathers, its combined gravitation grows
stronger
what question should readers ask to determine the effect in
the sentence?
how much stuff is combined?
where does the stuff gather?
why does the gravitation grow stronger?
what happens when more stuff gathers?

second person

explanation:

note the heavy uses of "you", "your", as well as "he".

~

the answer is:

in the fourth paragraph. ( the paragraph that begins with “on friday of my third ”).

hope it !

"the sandy walls seemed to collapse in on themselves"

and

"the bloodshot waters seemed to have no bottom"

i also think it is d (sorry if it's not)