Which of these lines contains a metaphor?
A. You are like a sun to me.
B. Like unto death was her countenance.
C. Now is your final hour.
D. She offered him a hundred-watt smile.
A metaphor is a comparison which doesn't use the words as or like. So, having that in mind, the correct answer is D) She offered him a hundred-watt smile / a smile which was bright as a hundred watts.
