Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Mary lost the ticket. She didn’t go to the concert.
A.Were Mary not to lose the ticket, she would have gone to the concert.
B.If Mary hadn’t lost the ticket, she would go to the concert.
C.Unless Mary had lost the ticket, she would have gone to the concert.
D.Had Mary not lost the ticket, she would go to the concert.