适用于高层建筑内的柴油机发电机房、燃油锅炉房的灭火系统为（）。

A．水幕系统

B．喷水灭火系统

C．水喷雾灭火系统

D．室内消火栓系统

Which of the following is true a. Saddam killed 148 Shiites as a reaction when an attempt of murdering him failed. b. Saddam is on a trial where 7 witnesses are present. c. Saddam took revenge after 7 people conspired to murder him in 1982. d. Saddam is the only person charged with crimes against humanity for the massive killing.