Answer:
On the flight, Perry is too nervous to eat. He muses that the only reason he is even going to "Nam" is because of a paperwork mistake. A knee injury has left him unfit for combat duty, but as his former captain has told him, "it takes forever to process a medical profile"
D is in the answer
yes I'm sure
and yes I am sure again
This means that the pressure is high, but there can be different ways to put it. (I'm unfortunately not 100% sure.
The syllable most emphasized
