17. Which of the following statements best expresses the main idea in paragraph 1? (A) Mindfulness is the conscious attention and it involves clearing one’s mind of all thoughts. (B) Mindfulness can help people reduce stress and facilitate the formation of new neuronal pathways in the brain. (C) Cultivating mindfulness is an effective technique for improving mental health and has wide-reaching consequences. (D) Learning about mindfulness and incorporating mindful strategies every day take commitment, but there are several tips to promote regular practices.