Dramatic irony means that the audience knows something the characters do not. For example, in the beginning of Hamlet, we know immediately that Claudius was the one who killed Hamlet's father, however, he doesn't know that from the very start.
B- She has had the life sucked out of her by an insect living in her pillow
During those months Rachel's mother looked after Aaron with something close to genuine fondness-- not pity, not obligation-- as though Aaron had become the son she always wanted.
This sentence flows very nicely and also makes sense. You can see that the punctuation is proper, the sentence makes sense, and the grammar is correct. With that in mind, that it the correct sentence structure.
Hiya! I don't know if you use Quizletm but it has helped me a lot! Here is a link to it about this question! :)
https://quizlet.com/17715268/chapter-27-flash-cards/
Historical fiction in my opinion would be to put the reader right there in the past. So my best answer would be B.