I don't think it easy,even if we work hard,__D__the South Korea and North Korea to sit down totalk at present.A .persuaded B.to persuade C.persuade D.persuadingWHY?哦不好意思打错了

I don't think it easy,even if we work hard,__D__the South Korea and North Korea to sit down totalk at present.A .persuaded B.to persuade C.persuade D.persuadingWHY?哦不好意思打错了
I don't think it easy,even if we work hard,__D__the South Korea and North Korea to sit down to
talk at present.
A .persuaded B.to persuade C.persuade D.persuading
WHY?
哦不好意思打错了

I don't think it easy,even if we work hard,__D__the South Korea and North Korea to sit down totalk at present.A .persuaded B.to persuade C.persuade D.persuadingWHY?哦不好意思打错了
选B,原句简化后的句式是I don't think it easy to persuade.

记住，逗号后面跟ING形式表伴随。我不认为那很容易，即使我们很努力，并劝说朝鲜和韩国坐下来谈判。 我们很努力的同时，也在劝说韩国和朝鲜谈判。