问题
2,7,28,63,126,()A.185 B.198 C.211 D.215
2,7,28,63,126,()
A.185
B.198
C.211
D.215
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