问题
1 10 31 70 133 （)A.136 B.186 C.226 D.256
1 10 31 70 133 ()
A.136 B.186 C.226 D.256
请帮忙给出正确答案和分析，谢谢！
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
