Huanggang City lies in the ________ of Hubei Province.[ ]

A.southeast

B. southwest

C. northeast

D. northwest

将一个系统扩展告警模块FSEB连在诺西的FlexiEDGEBTS的ESMA的EAC接口上，则可以提供（）个告警输入和（）个控制输出连接。