The transportation will improve a lot in Nantong, with another two bridges ________ over the Changjiang River in the near future．

1. A.
   to be constructed
2. B.
   to construct
3. C.
   being constructed
4. D.
   constructing

The transportation will improve a lot in Nantong, with another two bridges ________ over the Changjiang River in the near future.

A. to be constructed　　 　　　　　　　　 B. to construct　　

C. being constructed　　　 　　　　　　　 D. constructing