Which sentence contains a simile?

A. He was the rock of the family
B. Her finger was a woodpecker tapping on her chin.
c. That is a big problem," Seth said with a sigh.
d. Mindi stood stiffly like a board in a lumber yard
e. Dad, you are the best father in the world," Seth said.
f. You do not have to buy me something as soon as possible.