How does the author use structure to create a sense of mystery throughout the passage?

How does the author use structure to create a sense of mystery throughout the passage?

a. mystery is created by contrasting the liveliness of the party with the darkness of tybalt’s character.

b. mystery is created using antiquated language and sentence structure.

c. mystery is created by characters asking questions about who others are.

d. mystery is created through long descriptions of characters’ physical appearance.