Fast! : ) which line most strongly suggests something good is about to happen to the protagonist?

when the window flew open, zena flinched as if startled, then resumed chewing her fingernails nervously.
when the window flew open, zena had a thought, a glow of shining hope that something had changed.
when the window flew open, zena paused, catching her breath and gasping at the sudden rush of cold air.
when the window flew open, zena wanted to rush from the room and seek out a dark, quiet broom closet.

In the real world, feldman learned to settle for less than 95 percent. he came to consider a company “honest” if its payment rate was above 90 percent. he considered a rate between 80 and 90 percent “annoying but tolerable.” if a company habitually paid below 80 percent, feldman might post a hectoring note, like this one: the cost of bagels has gone up dramatically since the beginning of the year. unfortunately, the number of bagels that disappear without being paid for has also gone up. don’t let that continue. i don’t imagine that you would teach your children to cheat, so why do it yourselves? the excerpt serves as which type of support for the authors’ argument? a claim an example a conclusion a counterclaim