Concept:Choose the word that is nearest in meaning to “frustrating” in the given sentence.Explanation:“Frustrating” describes a feeling of discouragement when one cannot change an unpleasant situation.In this sentence, farmers watch helplessly as their produce rots.This makes them lose hope and feel discouraged.The word “disheartening” means causing loss of hope or confidence.So “disheartening” is the closest match to “frustrating” here.Answer:A. disheartening