Which of the following statements is CORRECT？A．Fish has no fat and is full of vitamin A.B．

Which of the following statements is CORRECT？

A．Fish has no fat and is full of vitamin A.

B．Lean beef contains both protein and vitamin B12.

C．Peanut butter contains healthy fat.

D．Tea helps export poisonous substance from the brain.

请帮忙给出正确答案和分析，谢谢！