Why is lady capulet so upset?

her daughter has really died this time.
she feels guilty, having discovered she buried her daughter alive.
everyone dying around her reminds her that she's not getting any younger.
she feels guilty for having treated juliet so poorly while she was alive.

Explanation:

Lady Capulet is very upset for Juliet's death. This response is more profound than one would expect as Lady Capulet has shown little fondness in the play for Juliet, rather demanding that she wed Paris. Afterward, she says this is the most "miserable hour that ever time saw."

what passage

explanation:

the correct answer is (a) . answer should be simple, clear and brief.