PDM includes four types of dependencies or precedence relation ships:(73)The com
PDM includes four types of dependencies or precedence relation ships：(73)The completion of the successor activity depends upon the initiation of the predecessor activity．
A．Finish-to-Start
B．Finish-to-Finish
C．Start-to-Start
D．Start-to-Finish
正确答案：D解析：前导图法包括四种活动依赖或前导关系：开始-结束。后续活动的结束依赖于前导活动的开始。
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