The answer is the Climax of the story.
Answer: In the image it shows the egg and the larva which is the caterpillar. Then they show the pupa which is called the chrysalis. And BOOM a beatiful butterfly.
The correct answer should beThrough primrose-tufts, in that sweet bower,The periwinkle trail’d its wreathes;
Alliteration is when words in the same sentence begin with the same consonant and here we have "through, tufts, the, that, trail'd" as well as "primrose, periwinkle".
