I would go with 3. The statement is straightforward, making it explicit, yet there isn't any ulterior suggestions happening with the sentence in the background.<span />
The answer would be C. In medias re literally means "in the middle of things" in Latin :-)
Palomar observatory is in California and also Hale telescope is there and it was once the largest telescope in the world.
The prompt will always say, "WRITE an essay explaining�"
You will elaborate on the prompt a little however, the thesis is just the main idea. If the prompt is not as direct as "WRITE an essay explaining�" just know that the thesis is the main point of your essay.
C because it's mostly focusing on the medication and not diagnosis. it can't be B because there is still a chance of the asthma patient getting an attack whether it's long term use or quick relief.