C would be your answer there due to it trying to help you visualize the setting
By expressing that blossoms have a limitted life span
I believe that the answer to this question is:
Sudden as hungry wolves the kids purloinOr lambs, which haply some unheeding swainHath left to roam at large the mountains wild
This is because a simile uses the words like or as.
I hope that this helps if you have any other questions feel free to message me!