quEstions 6 to 10 ArE BAsED on thE Following nEws.

A、north korEA wAs not Co-opErAtivE in thE nEgotiAtions.
B、north korEA wAs quitE Co-opErAtivE in thE nEgotiAtions.
C、north korEA wAs rEADy For wAr AgAinst thE us.
D、north korEA wAs rEADy to givE up its nuClEAr progrAm.