Answer:
c. concrete operations
Explanation:
Concrete operations: This is the third stage in the cognitive development theory which is given by Jean Piaget. This stage starts in middle childhood from the age of seven and lasts around eleven years. It is distinguished by the development of rationale, logical, and organised thinking in an individual.
According to Piaget, the concrete operations developmental stage is involved.

The opposing force created, the conflict within the story generally comes in four basic types: Conflict with the self, Conflict with others, Conflict with the environment and Conflict with the supernatural.
Gabriel said to his son, "I can tell you are getting smarter because you can talk about things like democracy and freedom in a more philosophical way." basically, Gabriel is saying his son is capable of: abstract thinking. Abstract thinking focuses on reflecting events and ideas, and attributes and relationships separate from the objects that have those attributes or share those relationships.
The answer is the implicit memory in which it is the retaining of skills and dispositions deprived of conscious reminiscence. The implicit memory is sometimes mentioned to as unconscious memory or automatic memory. The implicit memory uses past involvements to remember things deprived of thinking about them. The enactment of implicit memory is permitted by previous experiences, no matter how long ago those involvements happened.
These norms are called Display Rules. These rules are social rules that inform about when, where and how a person can express their emotions. They are told to be rules that are supposed to be explained to every individual as he is growing. This is expressed by the way people interact and socialize with other people.