Answer:
C. intrinsic motivation.
Explanation:
Intrinsic motivation: In psychology, the term intrinsic motivation is defined as the behavior of an individual that is being driven by the internal rewards. In other words, the intrinsic motivation refers to the process in which an individual's behavior is involved or engaged that comes from inside the person and often leads to satisfy him or her.
Example: A person plays football because it satisfies him or her internally and feels accomplished.
In the question above, Brenda appears to be motivated by intrinsic motivation.