If the root hydro- means "water", then the word that means "an electrical instrument used to monitor underwater sounds" is called a hydrophone. A hydrophone is a kind of microphone that is specifically used to detect and record sound waves underwater.
The dialogue which is a good example of the author's use of dialogue to build suspense is, “You are rich, respected, admired, beloved; you are happy, as once I was. You are a man to be missed.”
Answer: Option B.
Explanation:
Many a times, authors make use of words or dialogue to create a suspense in the minds of readers, as in it makes a person curious or anxious to known about the uncertainty of what happened or might happen. The dialogue ‘You are rich, respected, admired, beloved; you are happy, as once I was. You are a man to be missed’ is taken from a short story ‘The Cask of Amontillado’ written by Edgar Poe. This dialogue builds suspense in a sense that the words ‘as once I was’ makes a reader anxious about what might have happened in a narrator’s life that he’s no more happy. The dialogue leaves space for uncertainty of the events that took place.
Your answer would be B. until and then both show evidence of time. Hope this helps!