题干

如图中A~E表示几种不同的育种方法,请回答:

A、

B、

C、

D、高秆抗锈病DDTT×矮秆易染锈病ddtt→F1 →⊗ F2→能稳定遗传的矮秆抗锈病的品种

E、高秆抗锈病DDTT×矮秆易染锈病ddtt→F1 →① 配子 →② 幼苗 →③ 能稳定遗传的矮秆抗锈病的品种

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