What is the effect of the subjunctive mood in the sentence if I were to win the lottery, I would buy my own island? (Illuminate) a. It describes winning the lottery, which is something that is likely to happen.B. It describes the fact that lottery winners all buy their own islands.C. It describes a potential state of being rich from winning the lottery that is contrary to the fact that the person is not currently rich.D. It describes a scenario where the person is questioning what to do with their lottery winnings.

The effect of the subjunctive mood in the sentence is: C. It describes a potential state of being rich from winning the lottery that is contrary to the fact that the person is not currently rich.

The use of "if I were to win" expresses a hypothetical or unreal condition, indicating that the person is not currently a lottery winner but is imagining what they would do if they were. The subjunctive mood is often used to express situations that are contrary to fact or unlikely to happen.