Kaz's father found a carpenter willing to raise a new house out

Kaz's father found a carpenter willing to raise a new house out of the wreckage of the old in exchange for whatever wood was left over.
A、...to build a new house to store the old materials from the ruins.
B、...to use the materials from the ruined house to set up a museum.
C、...to use the wood left in the ruined house as the means of making money.
D、...to build a house with old materials and get the remaining wood in return.
【正确答案】：D