The People's Republic of China ________ in 1949, ___________ the Chinese people have been living a happy life.

[    ]

A. set up, when.　　　　   B. was set up, from which

C. was setted up, in which D. set up, from which

________ the founding of the People’s Republic of China in 1949, the Chinese film industry experienced rapid growth．

1. A.
   As
2. B.
   With
3. C.
   Since
4. D.
   Towards

Was it in 1949 ______ the People's Republic of China was founded?

1. A.
   when
2. B.
   which
3. C.
   in which
4. D.
   that