Statements A, C and D correctly describe key features and benefits of open educational resources in ICT-based education. OER are indeed freely available materials with open licences that permit reuse, and they can significantly reduce costs for learners. These resources can also be embedded within Learning Management Systems and MOOCs to make high-quality content widely accessible. Statement B is wrong because open licences specifically allow, rather than forbid, adaptation and modification, so the accurate combination of true statements is A, C and D only.
Option A:
Option A is incorrect because it includes only statement A as correct. While A is true, statements C and D are also accurate reflections of the cost-saving and integrative potential of OER. Limiting the answer to A alone ignores these important aspects and makes the combination incomplete.
Option B:
Option B is incorrect because it combines A and C but omits D. Statement D correctly notes that OER can be used within LMS platforms and MOOCs to broaden access to learning. By leaving out this true statement, the option does not present the full set of correct statements.
Option C:
Option C is incorrect because it includes only C and D. Although both C and D are true, statement A also correctly defines OER with respect to openness and licensing. Excluding A means the option does not recognise all the correct statements given in the question.
Option D:
Option D is correct because it groups A, C and D, which are all true descriptions of OER. Together they address definition, cost advantages and integration into digital platforms. By excluding the false statement B, which mischaracterises licensing restrictions, this combination matches the conceptual understanding of open educational resources.
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