The answer is D because were looking for the literal language of the word snake. The literal meaning of the word snake is well the animal snake so the literal meaning would be using the word snake as the animal example: What a big snake!
Answer D uses snake in the literal way so in this case the correct answer is D
She is saying that in reading the story if the reader begins to have feeling for the character then they will invest much more to understanding the meaning of the story
