I think the answer would be A
Answer:
Familiar
Explanation
In the passage your brain are what tiggers your memories to appear when something familiar is seen.
Traditional poetry usually has regular rhythms that set a pattern, making it easier to remember for recitation. These rhythms are especially enjoyable, because they reflect the natural movement of the human body. That's why poems with regular rhythms are often set to music for marching and dancing, amplifying the effect of the beat.
So basically, the rhyming and rhythms in these two poems makes the poem flow better and sound better. It also makes it easier to memorize.