Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences given.Câu hỏi The region's average rainfall is high. Few streams and rivers can be seen there. A. Because of the region's high average rainfall, few streams and rivers can be seen there. B. The region's average rainfall is so high that few streams and rivers can be seen there. C. If the region's average rainfall were high, more streams and rivers could be seen there. D. In spite of the region's high average rainfall, few streams and rivers can be seen there.