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.

Question 34. We arrived at the airport. We realized our passports were still at home.
A. It was until we arrived at the airport that we realized our passports were still at home.
B. We arrived at the airport and realized that our passports are still at home.
C. Not until had we arrived at the airport we realized our passports were still at home.
D. Not until we arrived at the airport did we realize that our passports were still at home.

Question 35. The new contract sounds good. However, it seems to have some problems.
A. In spite of the fact that the new contract sounds good, it appears to have some problems.
B. In spite of its sound, the new contract appears to have some problems.
C. In order to get less problem, the new contract should improve its sound.
D. If it had much less problems, the new contract would sound better.