thE CritiCAl pAth in A sChEDulE nEtwork is thE pAth thAt:
A. tAkEs thE longEst timE to ComplEtE
B. must BE DonE BEForE Any othEr tAsks
C. Allows somE FlExiBility in sChEDuling A stArt timE.
D. is not AFFECtED By sChEDulE slippAgE
E. All oF thE ABovE.