using Word = Microsoft.Office.Interop.Word;

Word._Application application = null;
Word.Table table;

<...>

table.Select();
application.Selection.MoveDown(ref missingObj, ref missingObj, ref missingObj);
application.Selection.Range.Text = "\n";
application.Selection.MoveDown(ref missingObj, ref missingObj, ref missingObj);
Word.Range range = table.Range;
range.Copy();
application.Selection.Range.Paste();