问题
9,17,13,15,14,______ () A.13 B.14 C.13.5 D.14.5
9,17,13,15,14,______ ()
A.13
B.14
C.13.5
D.14.5
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