The visiting Minister expressed his satisfaction with the talks,( )that he had enjoyed his stay here

题目

The visiting Minister expressed his satisfaction with the talks,( )that he had enjoyed his stay here.
1.having written 2.to be written 3.being written 4.written
原因写详细点（有什么语法或词组之类的）,劳驾各位了.我还有很多问题没人答,麻烦高手也去看看,

答案

having written
是现在分词作伴随状语,write 和主语The visiting Minister 是主谓关系,所以用现在分词,这里只不过是用来现在分词的完成时,所以用having written,