What is the effect of the figurative language in the following statement from "The Monkey's Paw"?

"It moved," he cried, with a glance of disgust at the object as it lay on the floor. "As I wished it twisted in my hands like a snake."

A The simile makes the story seem realistic.
B The simile makes the paw seem harmless.
C The simile indicates evil foreshadows that something bad will happen.