I don't think it easy, even if we work hard,           the South Korea and the North Korea to sit down

to talk at present.[ ]

A. persuaded

B. persuade

C. to persuade

D. persuading

关于动能武器根据攻击对象分类的错误叙述是（）。

A.反战略动能武器

B.反飞机动能武器

C.反导弹动能武器

D.反卫星动能武器