The best and most correct answer among the choices provided by the question is A.isolation <span>. </span> <span>The toothbrush in the poem represents isolation. </span> Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
Explanation: Isolation is being in a place or in a situation that is separated from others, it can be by decision or not. In the given lines from "Rhapsody on a Windy Night" by T. S. Elliot, the author uses the image of the toothbrush to represent or give the idea of isolation, because of the image of a single toothbrush, hanging on the wall, which can be an indicator that the person lives alone.
Because it is stated in the article that the process of building the Great East River Bridge was delayed for years because of bad deals and workers ' illness. That is to say, staff caught illness trying to build the bridge and that puts them at risk.