$29.$ All contingency theories are based on the idea that effective leadership performance depends on $\_\_\_\_\_\_\_\_.$

A$.$

making use of the best path for the goal that is identified

B$.$

selecting the right leadership style based on the level of the followers' readiness

C$.$

none of the above

D$.$

using a leadership style that is appropriate to the situational conditions

E$.$

the proper match between the leader's style and the control the situation gives the leader