单选12．能够反映控制系统稳态响应优劣的指标是（   ）

A、<span style="font-size:16px;font-family:宋体">调节时间</span><span style="font-size: 16px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">&nbsp; &nbsp;&nbsp;</span>

B、<span style="font-size:16px;font-family:宋体">超调量</span><span style="font-size: 16px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">&nbsp; &nbsp; &nbsp;</span>

C、<span style="font-size:16px;font-family:宋体">余差</span><span style="font-size:16px;font-family:&#39;Times New Roman&#39;,&#39;serif&#39;">&nbsp; &nbsp;&nbsp;</span>

D、<span style="font-size:16px;font-family:宋体">上升时间</span>