下列关于火灾自动报警系统的控制类设备在消防控制室内的布置要求的叙述中，正确的是（）。

A．设备面盘前的操作距离，单列布置时不应小于1．5m，双列布置时不应小于2m 

B．在值班人员经常工作的一面，设备面盘至墙的距离不应小于4m 

C．设备面盘后的维修距离不宜小于2m 

D．设备面盘的排列长度大于4m时，其两端应设置宽度不小于2m的通道

A client is admitted for a suspected eating disorder. Which of the following statements would indicate that the client may be suffering from anorexia nervosa（）

A. "I’ve gained 3 pounds in the last month. "

B. "I eat loads of spinach and yellow vegetables each day. "

C. "I’m a perfectionist, and I work hard to get A’s. "

D. "I binge frequently in the morning and feel fat. "