Miss Margaret is a genteel lady.

Answer: Option A

Well-bred : having or showing good breeding or manners.
Delicate : very fine in texture or structure; of intricate workmanship or quality.
Attractive : pleasing or appealing to the senses.
Beautiful : pleasing the senses or mind aesthetically.
Genteel : characterized by exaggerated or affected politeness, refinement, or respectability.

Synonym of Genteel is Well-bred