Answer:
The universal sign for choking is hands clutched to the throat. If the person doesn't give the signal, look for these indications: Inability to talk. Difficulty breathing or noisy breathing. Squeaky sounds when trying to breathe.
Explanation:
Its d the last one /;;::::::
Using the context clues in the sentence. You can accurately determine the meaning of the word onerous. The sentence starts off with stating a 10 - page research project. That would most likely be tedious and hard. So the best answer choice is answer C. Difficult