why ArE thE privAtE lAnDs surrounDing glACiEr nAtionAl pArk so importAnt
A、thEy FunCtion As A hunting prEsErvE.
B．thEy ArE rEstriCtED to govErnmEnt usE.
C．thEy ArE hEAvily populAtE
D、
D、thEy ContAin nAturAl hABitAts oF thrEAtEnED spECiEs.