After criminals were caught, they were accused and put on ______.
【正确答案】 D
【答案解析】解析:put sb./be on trial意为"受审"。其他选项的意思虽然都和对罪犯的处罚有关,但是它们的固定搭配分别是:put to death杀死,处死;impose (pronounce) a sentence判刑;to employ(resort to,use)torture用酷刑。