单选题 Which of the following conclusions can't be drawn from the passage?

A、 The U. S. Postal Service had less than 1,100 branches in California a few decades before.
B、 The profit of the Bank of America has been reducing since the 1980s.
C、 The prospect of the Bank of America is not quite promising.
D、 Moral problem is also a factor that leads to the decline of the Bank of America.

【正确答案】 B

【答案解析】[解析] 选项A、C、D均可从文章中推出，而从第一段中的But since 1980 Bank of America's earnings have been down or flat，可知收益虽无上升，但也不总是下降的，因此B项不对。