A:20个,30个
B:20个,40个
C:40个,40个
D:40个,60个
A _______ to a problem is a way of dealing with it so that the difficulty is solved.
①不仅仅局限于学校
②不仅表现为知识的掌握、能力的提高,还体现在情绪、情感方面的体验和感悟
③体现在一切经历中:学习思考、认识世界、关爱他人、遵守规则等
④只有读书写文章,才算得上是学习
请根据图中提供的信息解答下列问题: