Learning is more effective if content to be taught is

Correct option is D

Learning is more effective when the content to be taught is represented in multiple ways. This allows students to engage with the material through various sensory modalities and cognitive processes, enhancing their understanding and retention. Options (a), (b), and (c) all describe less effective approaches to teaching and learning. Content that is related to the social-cultural context of students, not overly abstract or complex, and presented cohesively rather than in disconnected chunks is more conducive to effective learning.