whiCh oF thE Following CAn not BE inFErrED From thE pAssAgE
A．thE FACulty oF spEECh is inBorn in mAn.
B．EnCourAgEmEnt is Anything But EssEntiAl to A ChilD in lAnguAgE lEArning.
C．thE ChilD's BrAin is highly sElECtivE.
D．most ChilDrEn lEArn thEir lAnguAgE in DEFinitE stAgEs.