Below are four lines from sections i – iv. (there is one line from each section.) arrange them in order, first to last, based on when they occurred in the story of beowulf.
"how ceaselessly grendel / harassed hrothgar . ."
"'who are ye, then, ye arméd men, / mailéd folk . .'"
"it came in his mind / to bid his henchmen a hall uprear"
"'to hrothgar i / in greatness of soul would succor bring'"

1. "It came in his mind ' to bid his henchmen a hall uprear" - this refers to Beowulf helping his men before going to Hrothgar's place; 2. "How ceaselessly Grendel / harassed Hrothgar..." - the introduction of Grendel the monster; 3. "Who are ye, then, ye armed men, / mailed folk..." - the conversation between Grendel and Beowulf; 4. "To Hrothgar I / in greatness of sould would succor bring" - Beowulf helping Hrothgar

Personally i think it is a