English Grammar it was the nasty situation /(a)one didn't know how/(b) to get out of. /(c) no error/(d)

व्याख्या:- it was the (a) nasty situation. The words a and the mean two very different things when referring to objects. The car drove silently down the road because it is electric. In this sentence the car refers to a specific car. You would say a car or cars because you are speaking generally, not specifically.