whEn prEDAtors Control FAils, nAturE Brings AnimAls populAtion into BAlAnCE By ______.
A．EliminAting thE numBEr oF prEDAtors
B．inCrEAsing thE numBEr oF othEr AnimAls
C．sEEking thE hElp oF DisEAsE to rEDuCE othEr AnimAls
D．rEplACing thE numBEr oF prEDAtors immEDiAtEly