Respuesta :
An example of a simile would be option letter C. A simile is a comparison using like or as.
The correct answer is C.
A simile is a figure of speech which explicitly compares two different things. It differs from the metaphor because of its usage of the word "like."
Here, the author is making a comparison of the sound his stomach made, saying that it is like the noise made by the engine of a running train.