The correct answer is: A. anthocyanin.
Anthocyanin is a water-soluble pigment that gives flowers, fruits, and leaves their red, blue, and purple colors. It is found in the vacuoles of plant cells and is responsible for the fall colors of leaves. Anthocyanin is also found in some vegetables, such as red cabbage and purple potatoes.
Carotene is a yellow, orange, or red pigment that is found in plants and animals. It is a type of carotenoid, which is a class of pigments that are responsible for the color of many fruits and vegetables. Carotene is also found in egg yolks, butter, and cheese.
Chlorophyll is a green pigment that is found in plants. It is responsible for the absorption of sunlight, which is used in photosynthesis. Chlorophyll is found in the chloroplasts of plant cells.
Xanthophylls are yellow, orange, or red pigments that are found in plants. They are a type of carotenoid, which is a class of pigments that are responsible for the color of many fruits and vegetables. Xanthophylls are also found in egg yolks, butter, and cheese.
In conclusion, the correct answer is: A. anthocyanin.