题目内容
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提问人：网友c********1
发布时间：2022年6月12日 23:18
[
单项选择题]
Scientists have for the first time used cloning to create human embryos that live long enough in a l...According to the passage, the key factor in avoiding rejection after transplantation is to _____.
A．make DNAs that are very small and have immune systems.
B．make DNAs that are as strong as antibiotics and vaccines.
C．make DNAs that are identical with those in the patients" cells.
D．make DNAs that are consistent with the ACT research results.
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