Read this excerpt from The Call of the Wild by Jack London. Later, the nine team-dogs gathered together and sought shelter in the forest. Though unpursued, they were in a sorry plight. There was not one who was not wounded in four or five places, while some were wounded grievously. Dub was badly injured in a hind leg; Dolly, the last husky added to the team at Dyea, had a badly torn throat; Joe had lost an eye; while Billee, the good-natured, with an ear chewed and rent to ribbons, cried and whimpered throughout the night. At daybreak they limped warily back to camp, to find the marauders gone and the two men in bad tempers.

Why does the author include this detail?

It is a part of the exposition that introduces the dogs’ natural weaknesses.
It is a part of the exposition that describes the terrain of the Alaskan trail.
It is a part of the rising action that shows a conflict between teammates.
It is a part of the rising action that explains the outcome of a savage attack.