Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences given.Câu hỏi He donated a lot of money to environmental protection campaigns. He was admired for that. A. Unless he donated a lot of money to environmental protection campaigns, he was admired. B. He was admired for having donated a lot of money to environmental protection campaigns. C. If he had donated a lot of money to environmental protection campaigns, he would have been admired. D. If he donates a lot of money to environmental protection campaigns, he will be admired.