Which of These Is an Example of a Metaphor

Multiple Choice

Which of these is an example of a metaphor? 

A)  The snake strike was as fast as lightning. 
B)  Like a stalking cat, the dense fog crept into the valley. 
C)  The newborn was surrounded by a blanket of his family's love. 
D)  To her light-sensitive eyes, the torch broke the darkness like a sunrise. 
E)  He felt like a winner, even though he finished well behind the leaders.