单项选择题
运用转基因技术培养的单细胞“工程硅藻”，可把光合作用合成的有机物以脂质形式储存起来。科学家计划在海水中大量培养“工程硅藻”，捕捞后从中提炼“生物柴油”。与矿物柴油相比，使用这种“生物柴油”的优点是 （ ）
①可再生 ②不显著增加碳排放
③不排放含硫废气 ④不会对生态环境造成负面影响
A．①②③
B．①③④
C．①②④
D．②③④
- A.①②③
B.①③④
C.①②④
D．②③④
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