whiCh oF thE Following is thE most FunDAmEntAl pArt oF EDuCAtion ACCorDing to thE Author
A．proDuCing A gooD rEsEArCh pApEr.
B．inDiviDuAlizing A sChool AssignmEnt.
C．A tEAChEr's DirECtion to AnD EnCourAgEmEnt in lEArning.
D．mAking pErsonAl DisCovEriEs oF knowlEDgE AnD oF sElF.