Fill in the blank with the most appropriate preposition:
His promotion was contingent ____ the outcome of the annual review.
Show answer & explanation
Correct answer: C
Explanation
The adjective 'contingent' is always followed by the preposition 'on' (or 'upon') when it indicates dependence on a condition or event. The phrase 'contingent on' means 'dependent on' or 'subject to a condition'.