单选题:(  )系统在无人情况下自动启动并扑灭或控制建筑内的早期火灾,并发出报警信号,起到防止火灾蔓延和减少损失的作用。

题目内容:
(  )系统在无人情况下自动启动并扑灭或控制建筑内的早期火灾,并发出报警信号,起到防止火灾蔓延和减少损失的作用。 A.自动喷水灭火
B.气体灭火
C.泡沫灭火
D.火灾自动报警

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答案解析:

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