因公司进行一个项目其包含A，B，C，D，E，F，G七个活动，各活动的历史估算和活动间的逻辑关系如下表所示，该项目的工期是（ ）天。因该项目对资源限制和项目的不确定性，为保证项目的按质按量的完成，项目经理薛大龙采用了在原进度计划采用了关键链路法，设置了项目的接驳缓冲为1天和项目缓冲为4天，项目总工期是（请作答此空）。
- A.19
- B.20
- C.23
- D.24
正确答案及解析
正确答案
解析
关键路径是ADFG，工期是19天。因采用了关键链路法，在原有的工期上进行了接驳缓冲和项目缓冲，关键路径是ADFG，总工期是=19+4=23天
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