China hosted and fully participated in the Six-party Talks that

China hosted and fully participated in the Six-party Talks that were held in Beijing this past August.And China continues to play an important role in trying to bring North Korea into a serious diplomatic process.
【正确答案】：中国继续扮演着重要角色，力图将朝鲜纳入正式外交轨道。【解析】原句是简单句，trying to bring North Korea into a serious diplomatic process 是现在分词短语在句中作状语，汉译时将其译作与原谓语并列的谓语结构，译为“力图……”。