The ninth paragraph of the excerpt mainly reveals.
Others, meanwhile, focused on fixing errors and honing their skills. One advised himself: "I should slow down and try to figure this out." Two
schoolchildren were particularly inspiring. One, in the wake of difficulty, pulled up his chair, rubbed his hands together, smacked his lips and said,
"I love a challenge!" The other, also confronting the hard problems, looked up at the experimenter and approvingly declared, "I was hoping this
would be informative!" Predictably, the students with this attitude outperformed their cohorts in these studies.
A the more intelligent students were able to persist
B. a learner's attitude impacts work and performance
OC. teamwork allows students to confront challenges
D. working at a slower pace allows students to outperform their peers