The answer is b because she didnt know that the annex was going to be raided
If there is a selection of answers I would go with
Repetition
Parallelism
maybe some others but I don't know all the poetic devices you have to chose from
The correct option is 2)Argumentative: In an argumentative text you discuss a subject or problem from different perspectives. At this time, Anna Quindlen the author of "A quilt of a country" states that although the great diversity found in America creates a lot of problems in the cities, it also serves as a quality to make America more special, and for this she uses a literature metaphor: Quilt, to put into other perspective her intention in the text. Although the author recurs to real episodes happend in America It's not autobiografical because doesn't talk about a particular person's life. It's not fictional because most of information is based on real facts, although uses literature metaphors to make the idea clearer.
Um I think you swapped B and C around but it would be COMPONENTS OF A HOUSE. A house has many things in it and need to have certain things in it to stand up. Like in some cases there needs to be support. In others it can support itself.
I am pretty sure it is "became". Hope that helped :)