Since chimpanzees are genetically very similar to humans, _______.A．chimpanzees are likely

Since chimpanzees are genetically very similar to humans, _______.

A．chimpanzees are likely to suffer AIDS just like humans if they are infected

B．it does not matter if human beings are infected with SIV rather than HIV-1

C．we can use human vaccines to prevent chimpanzees from getting AIDS virus

D．AIDS vaccines based on chimp’s immune mechanism are possible to be made