23. According to Mr. Sunstein, what is the possible cause for Barack Obama's unexpected rise to power in2008?
(A)It’s because the previous support from the public gained Obama more recognition.
(B) Since the majority voted for him, the minority would certainly follow suit.
(C) It’s due to the fact that Obama believed in people to make their own decisions.
(D)It’s attributed to Obama’s such successful presidential campaign slogans as “Change” and “Yes, WeCan.”