When you see a sentence not make sense it's usually because you are leaving out important words or mixing them up in the wrong way in that sentence so due to this knowledge a dangling modifier would be C.
Answer:
My back is sore from cleaning all day.
A conflict in a story creates and drives the plot and story toward. The conflict in a novel is usually something happening between two “people” or forces. If you can check my page and answer some of my questions that would be sweet.
Even though many countries want to host the Olympics, only a few can afford it.