Answer:
Its a book idk what about. 
Explanation:
How bout opening it.
 
        
             
        
        
        
Answer:
Ask the guard POLITELY then you can take the door to freedom
 
        
             
        
        
        
Answer:
A
Explanation:
This line is not talking about his morals, or interests in general. So, from the given answers C and D are off the list from the possible answer. Now, because it says " not unacquainted", it is leaning toward the fact that he had basic or any kind of knowledge beforehand. So, the right answer indeed is A.