As read through each of the answers, you are looking for clues as to time lines and/numerical order. When you think about a life, one usually starts with a birthday. B is an introduction into the life of Shakespeare telling us when and where he was born. C tells us of his next accomplishment at 20, and D continues on with his other accomplishments. Retirement and death is usually the conclusion to one's life and career, so A would be the best choice.
