散射比浊法测定的散射信号值产生于()

A．单位时间内最大的免疫复合物

B．单位时间内免疫复合物形成的最快时间段

C．单位时间内免疫复合物形成的最稳定期

D．抗体过剩期形成的免疫复合物

E．小分子不溶性免疫复合物颗粒

During the project scope planning process, the work breakdown structure should be developed to ______ .

A) the sub-project level
B) the level determined by the project office
C) a level allowing for adequate estimates
D) the cost center level