Choose the sentence that is closest in meaning to each of the following questions.Câu hỏi Unless the surgeon had come to the hospital last night, the patient would have suffered from migraine. A. Had the surgeon come to the hospital, the patient would have suffered from migraine. B. If it hadn't been for the surgeon's arrival at the hospital, the patient would have suffered from migraine. C. Without the surgeon had come to the hospital, the patient would have suffered from migraine. D. Supposing that the surgeon had come to the hospital last night, the patient would have suffered from migraine.