The answer is A because before but there is always a coma
I would have to see the sentences in order to help you out
<span>The Cunningham boys were a part of the group Boo hung out with. When the boys got into trouble, the Cunninghams were sent away to industrial school. They were reformed and got a great education. Mr. Radley refused to let Boo go and Boo was left stuck in the house, the other boys got engineering degrees, all because his father believed that to let Boo go would be a disgrace.</span>
