[单选题]
Once the characteristics for surviving salty soil are known, Flowers and Yeo will try to breed the appropriate genes into all manners of crops and plants. Land that has been abandoned to nature will then be able to bloom again, providing much needed food in the poorer countries of the world.The attitude of the author towards the research project is_____.
A .positive.
B .negative.
C .suspicious.
D .indifferent.
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