Pretty Little Liars

Pretty Little Liars is a drama series that appeared on ABC Family June, 8th 2010, since then they have aired 107 more episodes. PLL (Pretty Little Liars) is based on a novel series by Sara Shepard. I have not read the series yet, but I want to start. I have watched all the episodes that has been released. 5 seasons in and we STILL don't know A, SPOILERS AHEAD!! Okay so we know that Mona is original A. Uber A/ Red took over and stole the game after Mona was caught. The fire at the lodge caused Red coat to get a new disguise The Black Widow. There are so many questions left unanswered that i really want to know.                                                                         

• Who hit Alison over the head with a rock?
• Who buried Alison?
• Who killed and buried Mrs. DiLaurentis
• Who killed Garret?
• What really happened to Toby's mom?
• Who tried to drown Jenna?
• What happened at the frat party to get Cece kicked out of school?
• Who was the shadow we saw upstairs when Jason lived "alone"?
• Who's blood was on Ali's anklet?
• What happened the night that Jason had a party at his home and Ali came over to Spencer crying?
• What did Maya want to tell Emily the day she died?
• Who was Mrs. DiLaurentis protecting?
• What's with the ghost twin story Ali tells on Halloween, Ashley (Hanna's mom) saw one ghost twin?
• Why was Caleb's gravestone in Ravenswood?
• Why did Bethany escape from Radley?

The night Alison was supposedly killed, Mrs. D was talking to someone on the phone "How could this happen, I don't understand (she then tells Ali she doesn't want her going out that night) you have to send someone immediately. Is there any news, i'm very worried."  That is the night Bethany young escaped, was she talking about Bethany.

I would love for the series finale to do a flash back to answer unanswered questions.

Who do you think A is?