Which of these lines contains a metaphor?
A. Now is your final hour.
B. She offered him a hundred-watt smile.
C. Like unto death was her countenance.
D. You are like a sun to me.
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!