Which statement by the members of a team depicts self-efficacy at its peak? a. I am 100 percent sure that I will be able to achieve the target before the due date. b. I may or may not achieve the target; it's impossible to predict the results now. c. I won't be able to achieve the target without a little bit of support from my superior. d. I suppose the target is quite attainable, but I can't give an assurance.