The passage might be entitled "______".

A．show that they, too, have their respective cultures
B．explain humans occupy a symbolic universe as birds and fish occupy the sky and the sea
C．illustrate that human beings are unaware of the cultural codes governing them
D．demonstrate the similarity between man, birds, and fish in their ways of thinking

A．Individual and collective neurosis might prevent communications with others.
B．People in different cultures may be governed by the same cultural norms.
C．People's visions will be enlarged if only they knew that cultural differences exist.
D．If cultural norms are something tangible, they won't be so confining.