whiCh oF thE Following is A FACt rAthEr thAn An opinion
A．onE CAnnot gEt monEy AnD powEr through tEAChing.
B．tEAChing is morE DiFFiCult thAn BEing A mEChAniC, A writEr or A CArpEntEr.
C．thE worlD is Full oF Fight AnswErs to BAD quEstions.
D．tEAChErs Enjoy grEAt FrEEDom in somE AspECts.