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.persuadedB.to persuadeC.persuadeD.persuading
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B解析B两个逗号之间的内容(even if we work hard)是插入语，不影响句意。it是形式宾语，真正的宾语是动词不定式。“我认为，即使我们付出很大努力，现在也很难使朝韩双方坐下来和谈。”故选B。