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After the fertilization of bean curd, the flower structure develops into broad bean seeds () A. Pollen tube B. Ovule C. Ovary D. Fertilization.
B

Question analysis: After pollination and fertilization are completed in a flower, only the ovary continues to develop, and the development of the ovary is as follows:

As can be seen from the figure, the ovule in the ovary will develop into the seed of the plant.

comment: this topic is entitled basic topic. To understand and master the formation of fruits and seeds, you should not memorize them by rote. It is best to remember them by combining the above ovarian development map.