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.
Although it was raining heavily, we still went to school.
A. Despite of the heavy rain, we still went to school.
B. In spite of the heavy rain, we still went to school.
C. Because of the heavy rain, we still went to school.
D. In spite the heavy rain, we still went to school.