1949 was a year __the Chinese People's Republic of China was founded.为什么不选D呀?A that B which C when D on which为什么不选D呀.麻烦给出详解,

The People's Republic of China was founded in ___.A.year 1949 B.year in 1949 C.the year 1949 D.the year in 1949 It was a ripper of a year. Ann was 30kg last year.she was a bit____last year than this year一个词！ The man _she married last year was a soldier. Hope that in the new year was a surprise to she was a tearcher in shanghai last year? Hope that in the new year was a surprise to He was a teacher last year怎样变特殊疑问句 she was a teacher last year.改为一般疑问句 He was a doctor last year改成否定句 She was a waiting last year.改为一般疑问句. He was a teacher last year怎样变特殊疑问句 There was a little rain last year.对a little 提问.___ ___ rain was there last year? It rained a lot last year.(改为同义句) There was ____ ____ ____ last year. “that was the year Tom was a twelve-year-old boy.he was not a good student. it was sunday morning .peter,a seven-year-old boy,was watching.的翻译, I was a middle school student last year.改为同义句 I _____ a middle school student _____last year.