问题
8,12,18,27,() A.39;B.37;C.40.5;D.42.5;
8,12,18,27,( )
A.39;B.37;C.40.5;D.42.5;
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