Choose the sentence (A, B, C or D) that is closest in meaning to the root sentence.Câu hỏi It's dangerous to wash your hair when you have a headache. A. You should wash your hair when you have a headache. B. You shouldn't wash your hair when you have a headache. C. You mush wash your hair when you have a headache. D. You will wash your hair when you have a headache.