choose c, food poisoning of poisonous animals and plants. When potatoes germinate, many enzymes are produced at the budding site. Enzymes are biocatalysts, which can decompose stored substances into substances for bud growth. During the transformation of this substance, a toxin called solanine will be produced, which is an alkaloid and has the functions of hemolysis and stimulation of mucosa. If people eat sprouted potatoes, they will have poisoning symptoms such as nausea, vomiting, dizziness and diarrhea, and even cause paralysis of the heart and respiratory organs and death. Therefore, when potatoes germinate, they will produce toxins and become poisonous plants.