What are the skills when choosing duck meat? ()

A、After the fresh duck meat is squeezed, it can be quickly restored to its original state, and those that are not fresh cannot be restored;

B、Fresh duck skin is smooth and clean, the color is milky white;

C、Cut the duck meat with a knife, the color of the fresh duck meat is rosy, and the color of the stale duck is dark.;

D、stale duck skin Duck skin has a layer of fat film, the color is light yellow or white