How does the author use dramatic irony to convey a sense of tension in the passage?

a.) Juliet’s father sets a date for her arranged marriage to Paris without knowing that she is already married to Romeo. Also, they think she is crying about Tybalt’s death, when she is really upset about Romeo’s banishment.

b.) Juliet doesn’t know that Mercutio is related to the prince and that he was Romeo’s best friend.

c.) The audience doesn’t know that Friar Laurence is actually Romeo’s father.

d.) Romeo doesn’t know that the nurse told Juliet about Tybalt’s death and his banishment but the Friar does know.