O.K is an abbreviation for okay, which is also said as 'oh-kay'
Answer:
Under fire can mean many things. Usually though, in the sense of a soldier, he is in combat and is being fired upon.
Explanation:
Getting shot at. Under fire.
Do not confuse this with being under fire as being in trouble with someone. Remember to take this from the perspective of the soldier in combat.
I believe the answer is A consequently because he felt determined as a result/consequence of people not expecting him to run track