问题
:54+12+21+45=()。A.131 B.132 C.133 D.142
:54+12+21+45=()。
A.131
B.132
C.133
D.142
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