is, according to psychologist Albert Bandura who originally proposed the concept, a personal judgment of "how well one can execute courses of action required to deal with prospective situations".[1] Expectations of self-efficacy determine whether an individual will be able to exhibit coping behavior and how long effort will be sustained in the face of obstacles.[2] Individuals who have high self-efficacy will exert sufficient effort that, if well executed, leads to successful outcomes, whereas those with low self-efficacy are likely to cease effort early and fail.
C. Kim had to leave the boat, but she could not swim.
Explanation:
The word "irresolvable" means there is no solution, it cannot be solved. In answer C, there is no solution. She has to leave the boat but she can't swim. Hope this helps :)