What is true about the purchasing skills of green peppers？（）

A、Look at the surface: full body, smooth surface without wrinkles.;

B、Look at the handle: the ripe handle is bright green, the immature handle is light green.;

C、Look at the form: a strange shape prominent bell pepper should not be selected.;

D、Look at “the claws”: experience has shown that four-paw peppers taste better than three-paw peppers.