Hey, i have a collaborative song project due, can some of you guys help?:)

At which point in the plot are characters introduced?

Prairie houses a. irregular in plan, two stories high, with one-story wings b. irregular in plan, one story high, with two-story wings c. irregular in plan, two stories high , with two- story wings d. irregular in plan, one story high, with one-story wings

Which is a good guideline to follow when evaluating art