規(guī)劃風(fēng)險(xiǎn)應(yīng)對執(zhí)行，應(yīng)該A、在項(xiàng)目管理計(jì)劃階段B、在項(xiàng)目開始的時(shí)候C、貫穿項(xiàng)目生命周期D、在項(xiàng)目受到風(fēng)險(xiǎn)威脅時(shí)
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