单选题 The mechanism that______ the turntable is broken. There has to be someone here to mend it this afternoon.

【正确答案】 C
【答案解析】题意是:带动转盘______ 的机械装置坏了,下午必须得有人来修理才行。 [C] revolves“旋转,转动”,符合题意。[A] stirs“使激动,激起”,[B] stimulates“刺激”, [D] steers“操舵,指导”都不符合题意。