听力原文：Culture can be defined as behavior. that is learned and transmitted to members of

听力原文：Culture can be defined as behavior. that is learned and transmitted to members of a group. A child learns a particular behavior. through observation as well as through positive and negative feedback from his/her family and peers. A minor point to remember is that this feedback can be overt or covert. Much covert feedback involves nonverbal cues that an outsider to that culture would not understand.

The speaker mainly discusses ______.

A．cultural issues

B．the learning process of a child

C．behavior. as a cultural construction

D．how to educate a child