Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences given.Câu hỏi The company had dumped large amounts of waste into the river. It was strongly criticized for that. A. Having been strongly criticized, the company dumped large amounts of waste into the river. B. The company had dumped large amounts of waste into the river, which was strongly criticized. C. Dumping large amounts of waste into the river is critical to the company's strength. D. The company was strongly criticized for having dumped large amounts of waste into the river.