Which is the best explanation for why the subjunctive mood is used? A. In some cases you need to Xpress a wish or desire. B. Often you need to make a definitive statement c. There are times when you do not know how situation will turn out.D. Sometimes you were making a request.

C. There are times when you do not know how the situation will turn out.

The subjunctive mood is used to express uncertainty, doubt, hypothetical situations, or conditions that are contrary to fact. It is used when the outcome of a situation is unknown or uncertain, rather than making a definitive statement.