Full Understanding of Gender Is Said to Develop Gradually in Three

Full understanding of gender is said to develop gradually in three stages. Which of the following represents the correct chronological order in which those stages develop?

A) gender stability, gender constancy, and gender labeling
B) gender labeling, gender stability, and gender constancy
C) gender constancy, gender labeling, and gender stability
D) gender labeling, gender constancy, and gender stability