[单项选择]下列（）是施工组织总设计的具体化，以单位工程为对象编制，用以指导单位工程准备和施工全过程，它还是施工单位编制月旬作业计划的基础文件。
A. 施工组织规划设计
B. 施工组织总设计
C. 单位工程施工组织设计
D. 分部工程施工组织设计

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