Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. Why was the old house sold by the government
A．Because its owner left a will to seel it. B．Because its owner needed money to buy another house. C．Because its owner owed the government money. D．Because its owner had no relatives to inherit it.