监理单位要根据与建设单位签订的( )，决定收集信息。
A．监理大纲 B．监理合同 C．监理实施细则 D．监理规划
参考答案：B
混合成本
（）she was invited to the hall made her very happy.
A.That
B.If
C.When
D.Because
