You didn't provide the sentences, however, they probably contain things like vivid descriptions of things or their smells or how they feel when you touch them. If they are extremely realistic, then they are really vivid and this should be your correct sentence.
Answer:
D. In his breakfast bread
There is a metaphor in B) She offered him a hundred-watt smile.
A metaphor is used to compare two unlikely things without using the words, like or as. Here, the woman's bright smile is being compared to a light bulb!
C. by telling the character's traits through description
