【正确答案】
C
【答案解析】[听力原文]24-26
Many people want very much to improve their living conditions, but most people cannot pay all the money at one time. They may turn to a housing mortgage. With a mortgage, the purchasers needn't pay all the money for the house at one time. They just pay a certain amount first and they can move into the house. The purchasers pay the remaining amount each month until they pay all the money. This is actually purchasing by installments. When providing the housing mortgage, the banks hold the certificate of the house property in their hands. The hank will give it to the buyer when he pays all the money. So if the buyer doesn't pay the rest back, the bank can compel the buyer to leave because the house actually belongs to the bank since the bank holds the certificate of the house property.
24. If people can't pay all the money for their new house at one time, what should they turn to?