Answer:
Based on the phrase "concocted many tales," it seems that the author is suggesting that the stories about Shakespeare's life during the "lost years" are not reliable. The phrase "concocted many tales" implies that the stories were invented or made up. This suggests that the author believes that these stories are not based on reliable historical facts. Instead, they were created by people who may have had little evidence to support their claims. As a result, the author is indicating that these stories should be treated with skepticism. So, the correct answer would be option B.