Mark the letter A, B, C or D to indicate the sentence that is BEST written from the words/phrases given.Câu hỏi Mr. Brown/much/ rich/ than/ anyone else/I/known. A. Mr. Brown is much more richer than anyone else I have known. B. Mr. Brown is much richer than anyone else I have known. C. Mr. Brown is much richest man than anyone else I have known. D. Mr. Brown is more richer than anyone else I have known.