it is wEll known thAt thE First ______ CAn only work hArD plAnting young trEEs For A nEw BusinEss, whilE thE Following pEoplE mAy oBtAin thE suCCEssFul Fruits.
A．prACtitionErs
B．AmAtEurs
C．ForErunnErs
D．mAnAgErs