Yes it’s good, though it’d be better if you used “Your sister and my sister are best friends, they do many things together” that (and) word doesn’t seem necessary. Hope this helped :)
Answer:
appearing quiet and obedient
juliet displays inner strength intelligence, bravey, wit, and independence.
Romeo has the same confidence
Readers are able to relate to the narrators message
I believe it is A due to "The lady made detailed plans, engaged the caterer and the orchestra well in advance" isn't exactly connect well and be hard to understand so you'd put a comma between "caterer, and".