In "Where Have You Gone, Charming Billy?" Paul can't help but laugh over Billy Boy's death because

he died so unexpectedly.
he died in such an unlikely way.
he had predicted he would die.
he had died before getting to fight.

He died in such an unlikely way.

Explanation:

He died because of a heart attack after losing a foot due to a mine.

i think the answer is either c or d

im thinking d might make more sense though

sorry if im wrong

it is grammatically incorrect and is illegible to me and i can not answer it.