问题
1,2,3,6,12,() A.16;B.20;C.24;D.36
1,2,3,6,12,( )
A.16;B.20;C.24;D.36
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