恩吉尔曼将载有水绵和好氧细菌的临时装片放在没有空气的黑暗环境

恩吉尔曼将载有水绵和好氧细菌的临时装片放在没有空气的黑暗环境中，进行局部照光处理。这个实验的目的是证明

A．光合作用需要光	B．产生氧需要光
C．光合作用产生的氧来自于水	D．光合作用中氧由叶绿体释放

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