单选题 All of the following are true of the transplantation technique EXCEPT that ______.

A、 it avoids the need for subjecting a laboratory subject to repeated major surgery
B、 it permits scientists to monitor changes frequently
C、 the transplanted cells grow as they would in their normal site
D、 the transplanted cells can be easily grown in vitro

【正确答案】 D

【答案解析】细节题。要注意题目中的except这个字，正确的选项内容在文中是无法找到的。A，B，C的相关内容我们都可在文章的第三段中找到，实验过程避免了重复手术，新技术可以保证长期观察以及细胞的活动正常。然后D模糊了阅读理解，In vitro culturing of cell属于第一种技术。