Which of the following sentences indicates a subjunctive mood?A.Not until nine oclock yes

Which of the following sentences indicates a subjunctive mood？

A．Not until nine o"clock yesterday evening did we finish the work.

B．I had been at the bus stop for 20 minutes when the bus finally came.

C．Without your timely arrival, she would have been drowned.

D．If my mother has time, she will take me to the museum.

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