❓ 質問 According to the passage, which of the following best describes 'extraneous cognitive load'?
- A. A. The mental effort required due to the inherent difficulty of the subject matter.
- B. B. The effort that contributes directly to understanding and building knowledge schemas.
- C. C. The unnecessary mental burden caused by poor presentation or distracting elements in instruction.
- D. D. The total amount of working memory capacity used during any learning task.