Reading Comprehension: Choose the best answer to each question based on the information you get from the text.Buffett’s letter is filled with examples of him calling out his own errors and saying his managers are actually better than he is. What kind of good qualities of Buffett can be shown from this statement?
选项：

A: Buffett is rational and calm.
B: Buffett is honest and humble.
C: Buffett is decisive and rational.
D: Buffett is honest and self-confident.