单项选择题

A new tendency emerged in the current boom is that______.

A．more and more people start hi-teach business to a mass fortune.
B．people are becoming rich at younger ages.
C．most of the richest make their fortune by inheritance.
D．all the richest millionaires are aged 30 or above.

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单项选择题

From what the author said in Para. 1, it can be inferred that______.

A．scientists can never be able to predict the coming of earthquakes.
B．the existing power on predicting earthquakes is somewhat exaggerated.
C．quite a lot of scientific assertions are groundless.
D．earthquake predictions are beyond the reach of scientists.