ChoosE thE AppropriAtE mEAning For thE worD "inFlECtions" in linE 4 oF pArAgrAph 2.
A．ChAngEs in thE Forms oF worDs.
B．ChAngEs in sEntEnCE struCturEs.
C．ChAngEs in spElling rolEs.
D．worDs thAt hAvE similAr mEAnings.