Why do some people support cloning?

A.Itcan help those infertile couples.

B.It may revolutionize organ transplantation.

C.It couldsave seriously endangered species.

D.It may solve the problem of starvation.

正确答案：Itcan help those infertile couples.,It may revolutionize organ transplantation.,It couldsave seriously endangered species.,It may solve the problem of starvation.