F.Why and I would also say D what. For example if you would predict that a pig is pink for example. What: I predict pigs are pink. Why: here you would have a reason.
It;s most likely Marjorie, because she can't live without it. Hope this helps :P
The phrase that indicated a lost in thought feel is the "Midnight shakes the memory". It means that his train of thought is going double time in the dark or at night.
B. Atticus will not use a gun unless it is absolutely necessary. It is part of his code of honor. He believes you should try to reason first.