问题
8, 8,6, 2, () A.-4 B.4 C.0 D.-2
8, 8,6, 2, ()
A.-4 B.4 C.0 D.-2
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