Concept:A teacher should use real-life student experiences to teach values and maintain focus on the topic, not suppress discussion.
Explanation:Option A is correct because it keeps the discussion aligned with the learning objectives.
Option B is wrong because it discourages student participation and creates a fearful environment.
Option C is correct because it allows students to share experiences while learning the value of equality.
Option D is correct because writing an essay promotes reflection and deeper understanding of water conservation.
Thus, the best approach combines focus (A), value-based sharing (C), and reflective writing (D).
Answer:C. A, C and D