Which of the following adopts the figure of speech－pun？

Which of the following adopts the figure of speech－pun？
A.He preferred to take to his legs rather than to lay down his arms.
B.For nearly a year， I sopped around the house， the Store， the school and the church， like an old biscuit， dirty and inedible
C.One summer afternoon， sweet-milk fresh in my memory， she stopped at the Store to buy provisions.
D.The chifforobe was a maze.
正确答案：He preferred to take to his legs rather than to lay down his arms.