Which of the Following Is an Assumption of the Contingency

Which of the following is an assumption of the contingency model of managerial leadership?

A) Managerial leaders need to pick their style based on a stable situation or environment.
B) As the situation changes, the managerial leader changes style.
C) Managerial leaders have certain traits that fit certain situations better than others.
D) As the managerial leader changes style, the situation changes for the followers.