Which of the following sentences consists of subjunctive mood？A．Hardly had he begun to spe

Which of the following sentences consists of subjunctive mood？

A．Hardly had he begun to speak when the audience interrupted him.

B．If you have finished reading this book, please return it to me.

C．She told us that she would not go with us, if it rained.

D．If she had worked harder, she would have succeeded.

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