单项选择题

According to the passage, why are profit opportunities rare

A．Few people can get a hot tip in the market.
B．Few people have quicker insights than others.
C．Few people are searching such opportunities.
D．Such opportunities are quickly eliminate
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单项选择题
From the example of two people walking along, one an economist and the other a non-economist, we can see that______.
A．the economist may apply the view of profit opportunities excessively
B．the economist has quicker insights than the non-economist
C．the economist has a better understanding of profit opportunities than the non- economist does
D．profit opportunities appear even in our daily life
单项选择题
Which of the following is true about efficient markets
A．All the markets are efficient markets.
B．There are no profit opportunities in efficient markets.
C．In efficient markets, professionals have an advantage over non-professionals.
D．Efficiency is given priority in efficient market.
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