thE ExAmplEs oF BirDs AnD Fish ArE usED to ______.
A．show thAt thEy, too, hAvE thEir rEspECtivE CulturEs
B．ExplAin humAns oCCupy A symBoliC univErsE As BirDs AnD Fish oCCupy thE sky AnD thE sEA
C．illustrAtE thAt humAn BEings ArE unAwArE oF thE CulturAl CoDEs govErning thEm
D．DEmonstrAtE thE similArity BEtwEEn mAn, BirDs, AnD Fish in thEir wAys oF thinking