❓ 题目 According to the passage, which of the following best describes 'extraneous cognitive load'?
- A. A. The inherent difficulty of the subject matter that cannot be altered.
- B. B. The mental effort required to integrate new information with existing knowledge.
- C. C. The load imposed by the manner in which material is presented to the learner.
- D. D. The total amount of information that can be held in working memory at one time.