All the sentences make sense and have no missing pronoun
In A,it refers to the paint
In B,it refers to the fish
In C,it refers to the first song
So,all are correct
Brainstorm list:
-you can kindly ask to be left alone
-you can try to talk your problem out with someone
- Do something that makes you feel happy like a hobbie or anything else to get your mind off of things.
If I am not mistaken your answer should be B She is in the room, but her thoughts are about something or someone not in the living room. I hope this helped absently means vaguely
Is this the whole question??