问题补充:
The murderer was brought in, with his hands behind his back.
A. to be tied
B. being tied
C. tied
D. having tied
答案:
A. to be tied
B. being tied
(答案→)C. tied
D. having tied
解析:本题又是一道独立主格结构中的省略考查。同样的方法,将原句恢复:“with hands(where were)tied behind his back.”