Answer:
A. This detail establishes that Gregor had another profession before becoming a salesman.
Explanation:
Option A is the correct answer. It actually establishes the author's purpose for including the detail about the protagonist in the text.
From the text, we discover that the author included the description just as he was describing the setting where Gregor was. The author mentioned the wash up breakfast that was on the table, about the hospital  and about Gregor's father who was reading newspaper. Then the author mentions the picture that hung on the wall. It was at this point that the information of the photograph informs the reader that Gregor had another profession before becoming a salesman.
Option A is the correct answer. 
 
        
             
        
        
        
I think his name has had a bad effect with him making friends  and I think ray thinks that his name sucks and he should change his name       but mrs ross thinks that every name has a meaning no matter if its alswaldo   or   ron they all are the same  
        
                    
             
        
        
        
Answer:
C. Integer
Explanation:
Between zero and a number i think its integer
 
        
             
        
        
        
Answer:
After a day at work at Montgomery Fair department store, Parks boarded the Cleveland Avenue bus at around 6 p.m., Thursday, 1 December 1955, in downtown Montgomery.
is this what ur asking?
 
        
             
        
        
        
Answer 
Pronouns are a person place or thing 
Proper nouns are a certain place or thing 
Explanation:
Hope this helps!