Which sentence uses a pair of synonyms? because there was so much shouting, many of the protestors began screaming in order to be heard. although we were tired after the long hike into the woods, we were still energetic enough to make camp. despite all the exercise and the healthy eating habits, she still felt sick when she woke up in the morning. the children were too excited about the next day to settle down in their peaceful surroundings.

The answer is A

 The sentence "Because there was so much shouting, many of the protestors began screaming in order to be heard." uses a pair of synonyms (words that have the same meaning): shouting and screaming.

Shout: (noun) The act of saying something very loudly or making a very loud sound with your voice.

Scream: (noun) A loud, high sound you make when very frightened, excited, or angry. (verb) To cry or say something loudly.

i believe that's the correct answer