Which of the following statements is most accurate and scientifically valid regarding the actual psychological and classroom teaching implications of the concepts of 'Zone of Proximal Development' (ZPD) and 'Scaffolding' within Lev Vygotsky's 'Socio-Cultural Theory of Development'?

In Lev Vygotsky's socio-cultural theory, the 'Zone of Proximal Development' (ZPD) represents the gap between a child's ability to perform a task independently and their ability to perform that task under the guidance of a More Knowledgeable Other (MKO) such as a teacher, parent, or advanced peer. 'Scaffolding' is the temporary support coined by Jerome Bruner and associated with Vygotsky's theory, provided to lead the learner beyond their current capacity, and as the student becomes capable of working independently, this support is gradually faded away. Therefore, option c is the most accurate and scientifically valid choice.