I think the answer is C.)
The lines that show that tragedy was brought not only to the two families but also to other families in Verona are: <span>And I for winking at your discords too
Have lost a brace of kinsmen: all are punish'd. The word that involves the other families in Verona is the pronoun "all", showing that t</span>he tragedy also departed upon them.
Situational irony!
Because, she initially thought she was free from her husbands wrath. She celebrated and her heart was happy, this only to end with such a heartbreak that it kills her.