When the teacher entered his office, he was surprised to find everything ____ in good order.A. arranging B. being arranged C. arranged D. having been arranged答案是C.我只看出来是被动所以排除A,请问另外3个怎么看呢?

when the teacher come un快 When the teacher left the classroom,the children noisy. 英语翻译The classical liberal theory of the press derives from the eighteenth century when the principal “media” were public affairs-oriented newspapers.By contrast,media systems in the early twenty-first century are given over largely to ent The students stopped______(talk)when the teacher came in. When the teacher came in ,the students stopped ______(talk ) When the teacher came into the classroom,we stopped t________ All the students stop__________(talk)when the teacher comes The students------(stop)talking when the teacher came in Li Lei didn't listen to the teacher carefully when the teacher t___ English in class. they,what,doing,teacher,the,in,came,were,when （ ）she( )[talk]when the teacher comes in The teacher told us when------ (finish) our homework the boy was so (embarrass)when his teacher asked him When the teacher came in,we __（talk） （the teacher came in when I was reading)是否正确 every one stood up when the teacher come in They shopped___________(talk)when the teacher come in. _________ __________ you _______ when the teacher came in?