nowADAys thE unitED stAtEs unDErtAkEs thE gloBAl sECurity mAinly BECAusE_______.
A．BritAin insistED in trAnsFErring this importAnt rEsponsiBility to it
B．it CoulD gAin somE importAnt ADvAntAgEs ovEr Any othEr CountriEs
C．gErmAny hAs A gooD rElAtion with it As An EConomiC giAnt
D．it wAnts to hAvE A supEriority to Both jApAn AnD russiA