问题
3,2,4,3,12,6,48,() A.18;B.8;C.32;D.9;
3,2,4,3,12,6,48,( )
A.18;B.8;C.32;D.9;
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