Which of the Following Statements Is the Best Example of Children's

Which of the following statements is the best example of children's active contribution to their own development?

A) Joshua's bright blue eyes cause strangers to shower him with attention, influencing him to be less fearful of strangers.
B) Analisa's mother's anxiety about her daughter's academic success causes Analisa to panic whenever she takes an exam.
C) Manny's quiet nature influences him to seek out other quiet children, with whom he plays quiet games and stays away from the more rambunctious children in his class.
D) None of the answers is an example of children's active contribution to their own development.