The answer is D) Addicts.
Engaging in the text by asking question
Answer: C.
Explanation: The word decided seems to be swelled correct since decided is in the past tense, so the word swelled has to, too.
The correct answer is key ideas or key points. Key ideas are the ideas that are emphasized through repetition. These ideas are repeated because it needs to be emphasized in order to be understood clearly. Repeated ideas may include a word or phrases. In addition, repetition is also used to persuade or convince the readers.