绿色开花植物在开花之后，必须要完成哪两项主要过程后才能形成果

绿色开花植物在开花之后，必须要完成哪两项主要过程后才能形成果实和种子（）

A、开花和传粉 B、传粉和受精

C、开花和受精 D、自花传粉和异花传粉

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绿色开花植物在开花之后，必须要完成哪两项主要过程后才能形成果

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