单项选择题

What does the author concern most in the passage

A．Education on genetically-modified food to the public.
B．Biotechnology of genetically-modified food.
C．Safety of genetically-modified food.
D．Research of genetically-modified food.

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单项选择题

The third paragraph implies that______.

A．genetic scientists don't go far enough into their research on safety concerns of genetically-modified food
B．at present biotechnology does not grow healthily
C．molecular geneticists cooperate with biotech companies
D．the government should be fully responsible for people's health