单选题 Financing for a large construction project was provided by a group of banks. When the money was gone before the project was completed, the banks approved additional loans. Now, with funds used up again and completion still not at hand, the banks refuse to extend further loans, although without those loans, the project is doomed.
Which of the following, if true, best explains why the bank"s current reaction is different from their reaction in the previous instance of depletion of funds?
【正确答案】 A
【答案解析】