Answer:
c. Scaffolding
Step-by-step explanation:
Scaffolding -
It is the method , by which the teacher guides and helps the students in order to learn a particular thing or to perform a particular task ,which the student already have some prior knowledge , is referred to as scaffolding.
Similarly , in the given scenario of the question,
Colin's mother supports him only when required , during the process of swimming.
Hence, from the scenario the correct term from the given options is c. Scaffolding.