Please pleas please help I need help

Most of the "Rikki-Tikki-Tavi" excerpts below are examples of simile. Which excerpt is NOT an example of a simile?

It is the hardest thing in the world to frighten a mongoose, because he is eaten up from nose to tail with curiosity.

Rikki-tikki saw the spectacle-mark on the back of it that looks exactly like the eye part of a hook-and-eye fastening.

Then he was battered to and fro as a rat is shaken by a dog.

Nagaina spun round to keep her head to his head, so that the rustle of her tail on the matting sounded like dry leaves blown along by the wind.