He won the first prize in the contest,______ surprised all of us A.it B.that C.which D.who这个题属于什么结构,选项在句中做什么成分,最好能讲解下it that which的区别

Last year Tom____ (win) the first pri He first performed beijing Opera.为什么first前不加the?He won first prize in his group. He is first .还是 He is the first .同理：He won first place.还是He won the first place.区别是什么? He won first prize 为什么不加the 写出单词______(幸运地)he won the first prize. At that speech contest,he won the first p（ ）. It’s the first time that he( )the first prize 用wins还是has won He won the first place in the high jump.So he is the c__. He was the first past the _____line ,so he won the 100-meter race he looks so happyMay be he （---）he won the first prize 求翻译!The first three runners won medals.He wonthree first prizes. He won the first piace in the long jump ,so he is a c_____ He won the first prize in his group(同义句)He ( ) the first prize in his group. bill has won first place in the singing competition.----_____.ASo does he BSo has he He heard that he won the first prize which made him much------(happy) With my help.He won the first place (同义句) ____ ____ my help.He won the first placeThanks to Because of won the first prize=won first prize? 他是唯一获得一等奖的男孩 He was the _____ _____ _____ won the first prize>