问题详情

Which of the following statements is CORRECT about the stem cell research？

A．Embryonic stem cells are changeable even in the late stage.

B．Growing new hearts in a patient needs stem cells from an adult donator.

C．Research findings by a Japanese scientist might end the controversy.

D．President Obama agrees with George Bush concerning the issue.

请帮忙给出正确答案和分析，谢谢！