问题
4,9,15,26,43,______ () A.68 B.69 C.70 D.71
4,9,15,26,43,______ ()
A.68
B.69
C.70
D.71
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