He was seen _____ some money from an old man.A.to stealingB.to stealC.be stolenD.to be stolen
问题描述：
He was seen _____ some money from an old man.A.to stealingB.to stealC.be stolenD.to be stolen
答
B 原来see sb.do sth 是省略to 的不定式,变为被动要还原