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【单选题】
下列关于工作总时差的说法中，正确的是（ ）。A.
总时差是在不影响总工期的前提下，本工作可以利用的机动时间
B.
总时差是在不影响其后续工作最迟开始时间的前提下，本工作可以利用的机动时间
C.
总时差是在不影响其后续工作最早完成时间的前提下，本工作可以利用的机动时间
D.
总时差是在不影响其紧后工作最早开始时间的前提下，本工作可以利用的机动时间。
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