Based on the given paragraph above, I believe that the best transition word to start the third sentence would be option C. FOR EXAMPLE. This is the best transition since the third sentence serves as an example of what is being talked about in the second sentence. Hope this helps.
The author uses this literary device called Figurative Language to express the feelings experienced; in this passage, the narrator talks about how the its mind and head were with the awful feeling of sadness. The author also talks about the sensation of space in which her mind was enclosed.
All this sentences and comparisons are part of a Figurative language that is used to make the speech more effective, persuasive, and impactful for the reader to feel more deeply the words of the narrator and could live through them. This figure goes beyond the literal meaning of the words and gives the reader more insights.
Explanation:
Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves.