Hey guys! I really need help with this one and I will mark brainliest to the best answer! Thank you! Which of the following quotations demonstrates the through-line of the narrative arc in Chapters 2 and 3 of The Call of the Wild ?

1. "And not only did he learn by experience, but instincts long dead became alive again."
2. "She announced her condition by a long, heart-breaking howl that sent every dog bristling with fear, then sprang straight for Buck."
3. "There was imperative need to be constantly alert; for these dogs and men were not town dogs and men."
4. "'One devil, dat Spitz,' remarked Perrault. 'Some dam day heem keel dat Buck.'"