Concept:Inclusion in education means ensuring all students, regardless of their differences, have equal opportunities to learn and participate.Explanation:Universal Design for Learning (UDL) is a flexible framework that removes learning barriers. It adapts teaching methods to suit diverse student needs.The other options do not support inclusion. A behaviouristic approach treats all learners the same. Inaccessible infrastructure excludes students with disabilities. Discouraging collaboration limits peer learning and support.UDL promotes active participation and success for every student. It is the most effective way to foster an inclusive classroom.Answer:Option A. implementing universal design for learning