A teacher should support inclusion of students belonging to disadvantaged groups by:

Correct option is A

Creating a classroom ethos where differences are accepted, and every child is valued is essential for supporting the inclusion of students from disadvantaged groups. Such an environment promotes diversity, equity, and respect for all students, regardless of their background. It helps in building a positive self-concept among students and fosters a sense of belonging and community, which is crucial for their academic and social development.