Which are right in the following?
A、The Three Gorges Project has been built at the Sandouping Town of Yichang City.
B、The Three Gorges Project has just been built in the middle of the Xiling Gorge.
C、The Three Gorges Project is about 40km away from the Gezhouba Dam.
D、The Three Gorges Project dam is over 3335 meters long and 185 meters high.