Which of the following examples of thoughts does not belong to unexamined cultural identity stage?

A、“There are a lot of non-Japanese people around me, and it gets pretty confusing to try and decide who I am.”
B、“I don’t have a culture. I’m just an American”.
C、“My parents tell me about where they lived, but what do I care? I've never lived there.”
D、“Why do I have to learn who was the first black woman to do this or that? I’m just not too interested.”