The effect of the epidemic upon sustainable development is one of the issues U.S.AID will get down to in the future. U.S.AID wi

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问题 The effect of the epidemic upon sustainable development is one of the issues U.S.AID will get down to in the future.
U.S.AID will put the prevention method into effect.

选项 A、 
B、 
C、 

答案A

解析
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