Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each of sentences in the following questions.
The college was closed for a month. It was the summer holidays.
A. The college was closed for a month as a result of the summer holidays.
B. The college was closed for a month as a result of that it was the summer holidays
C. The college was closed for a month owing the fact of the summer holidays
D. The college was closed for a month because the summer holidays