问题
2,4,3,9,5,20,7,() A.27;B.17;C.40;D.44;
2,4,3,9,5,20,7,( )
A.27;B.17;C.40;D.44;
Fatal error: Uncaught [XSException] ../../../usr/local/xunsearch/sdk/php/lib/XS.php(2559): Connection refused(C#111, localhost:8384)
thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559