在假设开发法中，开发经营期的起点是（假设）（）的时间。
A.取得估价对象
B.估价对象建成
C.估价对象开始施工
D.估价对象开始租售
参考答案：A
______ the call for help, the boys immediately rushed out to see what was going on.
A．In order to hear
B．Hearing
C．Having heard
D．They heard
壁挂花
