Which of the following is an example of a metaphor?
A. His blank expression was like an old house with boarded up windows
B. An unresolved argument is a time bomb waiting to explode
C. His voice was loud enough to shatter all the windows
D. The creaky stairs grumbled angrily under my feet
B is the correct answer. A is an example of a simile because it uses the word "like" C is a hyperbole because it exaggerates the truth and D is personification because it gives the stairs human characteristics