What expressions concerning culture onion theory is correct？（）

A、The second skin is heroes. These people can be real or imagery.

B、Values are the innermost "； skin of the onion"； and they include principles， goals， or standards ect.

C、The Outer layers of the culture onion consists of symbols such as the way people are dressed， the language they speak.

D、The third skin is rituals. Festivals， religious practices belong to this category.

正确答案：ABCD