The two correct answers in my opinion are A & C.
Based on her letter to her niece, Austen can't believe that her niece is truly "in love". Austen believes that her feelings were simply due to the proximity of the man and because of it, she can't say that she is truly "in love". She mistakes her emotions towards the man as something that is deeper, love.
Society during those times doesn't believe and allow women to think for themselves. They equate women, particularly wives, as extensions of their husbands and because of such thinking, society believes that women can't think on their own and must do her husband's bidding.
What this excerpt about Hecuba suggests about her state of mind is that she is deeply distraught by the sight of her murdered husband. Hamlet describes a scene when Hecuba saw Pyrrhus killing her husband before her own eyes, and was devastated by the scene. He probably uses this scene to allude to the murder of his own father and the grief his mother felt / should have felt.
Then turn the channel tuner to a station and make sure not to have the plug out or off