they are only assuming that "a" stands for alison
Alison picked on Mona when they were younger.
No the girls do not know.
Obviously. she gave birth to them
Alison never talked about her twin
Allison was running from everyone in Pretty Little Liars because A was after her and she didn't know who to trust. The story that the cops know, is that she was kidnapped.
Yes, they do find out.
yes
yes
Jenna knows about Alison's secret twin. --A
Not that i know of.... Thanks, GirlyGirl
Alison went missing in September, as we know it was on Labour Day weekend
I don't know but the situation was Emily has a crush on Alison and the "Alison" who was Courtney like Emily in a special way.