Somatic reproduction is asexual reproduction. For example, the way plants reproduce with vegetative organs such as roots, stems and leaves is called vegetative reproduction, which is the most common way of asexual reproduction. The main types include fission propagation, spore propagation, budding propagation and vegetative propagation (grafting, layering, cutting, etc.). ), tissue culture and cloning. However, in order to reproduce new individuals with seeds, seeds first develop from ovules after pollination and fertilization.

Therefore, breeding broad beans with broad bean seeds belongs to sexual reproduction; However, there is no combination of bisexual germ cells in BCD, which belongs to asexual reproduction.

So choose: a.