![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Why do we fail to retrieve our memory sometimes?
A.
The input is only stored in the short-term memory, which evaporates soon.
B.
There is no effective cues for retrieving this part of memory.
C.
The long-term memory is not activated to support information processing.
D.
The short-term memory doesn't connect with the long-term memory.