Answer:
It seems that the boy uses everyday language in order to describe what he sees and smells. By resorting to this, the reader gets the perspective of a young boy from a poor social class because the imaginary used is based on elements that he might see on daily bases, smells like the cat or somthing roaten are really common in the streets.
Explanation:
Use the classic yo momma jokes
Stubborness or inflexibility would be appropriate synonyms for 'obstincy' as it is used in this excerpt.
Obstinacy in defence means that they are stubborn in defence - and are going to stick with it, no matter what other information comes to light.
Exactly it is D. Limericks always have five lines. Also note that it has ryme scheme like A-A-B-B-A