![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
When did Polly's experience happen?
A.
In the early morning when it was still dark outside.
B.
At lunch time when Polly was out buying some lunch.
C.
On a foggy night when everybody had to take a train.
D.
In the afternoon when Polly was on her way back home.