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.
I did not arrive in time. I was not able to see her off.
A. She had left because I was not on time.
B. I was not early enough to see her off.
C. I arrived very late to say goodbye to her.
D. I did not go there, so I could not see her off.