![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
From Paragraph 3, we learn that______.
A.
the use of the RU-486 pill is unsafe
B.
the RU-486 abortion drug is unlikely to spread in use to other countries until more extensive tests are performed
C.
although the track record is generally positive, some recorded effects of RU-486 warrant further study
D.
health considerations are currently the main factor hindering efforts to expand drug-induced abortions