Which Statement About the Winnemem Wintu People Is True

Which statement about the Winnemem Wintu people is true?

A) They are in danger of losing their last remaining ancestral land to the Shasta Dam.
B) They have already lost ancestral land to the Shasta Dam.
C) They are threatened by being wiped out by HIV-AIDS.
D) They have been relocated to a reservation in Oklahoma.
E) They are currently undergoing a language revitalization program.