To Use Fiedler's Contingency Theory, the First Thing the Leader

To use Fiedler's contingency theory, the first thing the leader should do is:

A) diagnose the situation and determine whether leader-member relations are favorable or unfavorable.
B) diagnose the situation and determine whether the task structure is favorable or unfavorable.
C) diagnose the situation and determine whether personal power is favorable or unfavorable.
D) diagnose the situation and determine whether position power is favorable or unfavorable.
E) know whether he or she has a relationship- or task-oriented style.