问题
选择题
The thief was brought in, his hands ____________ behind his back.
A．had been tied
B．tied
C．being tied
D．having tied
答案
答案：B
考查独立主格结构，因为两句话没有连词，说明后面的是状语，用独立主格结构，名词/代词+非谓语动词，因为tie和his hands是被动关系，所以是过去分词，句意是：小偷被带进来，手被捆在后面。选B。