Which sentence from the passage uses passive voice?
A. “Organizations have worked hard both to stop these abuses and change prevailing attitudes toward chimps.” (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. “Project R&R, for example, works for the end of the use of chimps in medical research, the release of chimpanzees from laboratories, and the placement of released chimps in sanctuaries.” (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)