单选题
According to the passage, a transplant of tissue between genetically incompatible organisms will result in the transplanted tissue ______.
A、
becoming a parasite
B、
being treated as an invader
C、
altering its genetic makeup
D、
developing a new immune system
【正确答案】
B
【答案解析】
从文章的第三段最后一句可以推断出来。
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