Each box is an activity; the number it contains is the duration of the activity
Each box is an activity; the number it contains is the duration of the activity in days. The duration of the critical path is(75)
A．16days
B．14days
C．19days
D．20days
正確答案：C解析：關鍵路徑為最長時間的線路，3+6+7+1+2=19。
詞條內(nèi)容僅供參考，如果您需要解決具體問題
（尤其在法律、醫(yī)學等領域），建議您咨詢相關領域專業(yè)人士。