单选题：听音频，回答下列问题：

题目内容：

听音频，回答下列问题： A．The ways to invest．
B．The ways to save money．
C．The tips to be a successful person．
D．Mistakes one should avoid about investment．

参考答案：

答案解析：

High efficiency achieved by NextGen is not considered a fina

High efficiency achieved by NextGen is not considered a final solution to carbon

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