Which sentence from the passage uses passive voice?
“Project R&R, for example, works for the end of the use of chimps in
A:medical research, the release of chimpanzees from laboratories, and
the placement of released chimps in sanctuaries." (paragraph 11)
B:“Even chimps that went into space were met with neglect or abuse
when they became too old to be useful to humans.” (paragraph 10)

C:“Organizations have worked hard both to stop these abuses and chang
prevailing attitudes toward chimps." (paragraph 11)
D:"As people achieved a better understanding of chimps, groups formed
to defend these animals and save them from the cruel practices that
many endured.” (paragraph 10)