工作包對(duì)下列哪項(xiàng)有幫助?A. 風(fēng)險(xiǎn)管理規(guī)劃B. 預(yù)算和進(jìn)度規(guī)劃C. 質(zhì)量規(guī)劃D. 采購(gòu)規(guī)劃