Answer:
C) internal; conscientiousness
Step-by-step explanation:
Internal locus of control: In psychology, the term "internal locus of control" is described as a phenomenon in which an individual believes that he or she can control various situations or events in his or her life.
Conscientiousness: It is considered as one of the five different personality traits that fall under the Big-Five dimension of personality traits. An individual who is experiencing conscientiousness is generally considered as diligent or careful. He or she is capable of performing a task properly and take certain obligations seriously. The person is organized, efficient, regulated and controls emotions.
In the question above, the given statement signifies the internal locus of control and conscientiousness.