The factory is no longer _____ it was 5 years ago, _____it was so poorly equipped.

A．what , when        B．that , which        C．what , which          D．which , that

The factory is no longer _________ it was 5 years ago, _________ it was so poorly equipped．

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

My brother wants to work in the factory which _________ now.

A．is building         B．has been built      C．is being built       D．is to be built

The factory which produced fake wine in our city, _______ was shown in the news report, has been closed by the government.

A. that????????? ????????????? B. it??????? ????????????? ????????????? ????????????? C. what?????????? ????????????? D. as

My brother wants to work in the factory which _________ now.