Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Invitations were sent out as soon as the date of the conference was chosen.
A.After choosing the date of the conference, invitations were sent out.
B.Before sending out invitations, the date of the conference was chosen.
C.Hardly had the date of the conference been chosen when invitations were sent out.
D.Choose the date of the conference before sending out invitations.