单选题
A contractor uses Program Evaluation Review Technique (PERT) to help manage its construction projects. To accelerate the completion of a local town shopping mall project, the company should devote additional resources to
A、
non-critical path activities.
B、
activities on the path(s) where slack time is zero.
C、
activities on the path(s) where slack time is positive.
D、
activities that key managers deem critical.
【正确答案】
B
【答案解析】
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