![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
According to the second paragraph, it can be found by researchers that______.
A.
Only educated people suffer from brain shrinkage
B.
The more the brain shrinks, the more abnormal people's cognition and memory become
C.
People might loss no mentality even with brain shrinkage
D.
No brain-tissue loss will be induced by indulgence in alcohol