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.
My mother is on a business trip. We have a cooked dinner every evening.
A. Although my mother is on a business trip, we have a cooked dinner every evening.
B. We have a cooked dinner every evening, so my mother is on a business trip.
C. Because my mother is on a business trip, we have a cooked dinner every evening
D. When we have a cooked dinner every evening, my mother is on a business trip.