Concept:
Adaptation in inclusive education refers to systematic modifications in teaching-learning processes to meet diverse learner needs.
Step 1: Analyze Option A
Too narrow; adaptation is not limited to textbooks.
Step 2: Analyze Option B
Opposes inclusion; promotes segregation.
Step 3: Analyze Option C
Includes curriculum, assessment, materials, and environment. Fully inclusive approach.
Step 4: Analyze Option D
Leads to isolation, not inclusion.
Final Conclusion:
Option C is correct because it reflects holistic adaptation.