![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
The doctor decided to test the chips himself because he believed that ______.A.nobody woul
The doctor decided to test the chips himself because he believed that ______.
A.nobody would dare to try it
B.they can be used for identification purposes
C.it has been proved successful on animals
D.his patients expected him to experience it first
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)