Carotenoids belong to a parent class of molecules called flavonoids synthesized via the phenylpropanoid pathway.

There are a lot of ________ and carotenoids in cold dishes.（ ） A: vitamins B: fat C: Calorie D: sugar

Carotenoids belong to a parent class of molecules called flavonoids synthesized via the phenylpropanoid pathway. A: 正确 B: 错误