_______ is agreed that the traffic accident was largely ________ the driver’s carelessness.

A．He, leading to

B．It, resulted in

C．It, due to

D．He, thanks to

新中国成立后，美国采取了孤立封锁政策，还在军事上威胁中国安全。为此，新中国进行的重大军事政治斗争是[ ]

A．坚决 * * 反革命                

B．出兵抗美援朝  

C．追歼国民党残余军队          

D．实行土地改革