Concept:Introducing marginalisation requires empathy, sensitivity, and respect for students’ feelings and privacy.
Explanation:First, avoid naming specific communities as it may upset those students.
Second, handle the topic with care because students may have personal experiences of discrimination.
Third, recognise that some students might feel ashamed and reluctant to share their stories.
Fourth, never force students to speak about their experiences—it violates their consent and dignity.
Therefore, points (a), (b), and (c) are essential while point (d) is incorrect.
Answer:D. (a), (b) and (c)