问题
12,13,16,25,52，（) A.81 B.93 C.133 D.146
12,13,16,25,52，()
A.81 B.93 C.133 D.146
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
