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.
Michael missed his flight because he had not been informed of the change in flight schedule.
A. Not having been informed of the change in flight schedule, Michael missed his flight.
B. Not having missed his flight, Michael was informed of the change in flight schedule.
C. Michael missed his flight, though he had been informed of the change in flight schedule.
D. Michael had been informed of his flight delay, which was due to the change in flight schedule
