Which One of the Following Statements Best Reflects the Concept

Which one of the following statements best reflects the concept of collective self-efficacy?

A) Over time,students develop a general sense of self-efficacy that influences their performance in a wide variety of content domains.
B) As students get older,their self-confidence about performing certain tasks becomes fairly stable and so is less influenced by any single success or failure experience.
C) Students may have greater confidence about accomplishing a task when they work with others rather than alone.
D) Some students have greater self-confidence when they have technological resources (spreadsheet software,Internet access,etc.) to help them in their efforts.