First One is correct. Because the Intro always has the grabbing sentences, which grabs the readers attention.
Second One is correct. Because its broadly about a small play.
Third one is revising the overall structure and flow of your writing because editing is corrections.
The fourth's answer is the third choice. Because the fire triangle led to more improvements.
The fifth is the first one. Because when readers read the essay, some may no nothing, and that may not matter.