According to the micro-lecture - Relationship between humans, which is the best choice? ( )

A、Ingroup refers to people who you regard as part of your group, people who are close to you.
B、Outgroup refers to people who are basically strangers.
C、In individualist cultures, the main distinction people usually make is between “me” and “others” rather than “us” and “them”.
D、All of the other choices are correct.