Man over comes many stages as he progress through life. From infancy to old age he undergoes many experiencess in different circumstances. So the seven stages are infancy, studenthood, lover, soldier, justice, old age and then comes the second infancy which is the last stage of human life.
The answer is B/ inverted the subject verb order. There was a prepositional phrase in the first place, the sentence length is the same, and it did not create a compound sentence. <span />