A．They will feel annoyed.
B．They will be surprised.
C．They will feel intimate.
D．They will be impressed.
A．Good talkers will be able to talk about it for a long time.
B．It is a good way to show the talker's plentiful knowledge.
C．It can be brought out in a conversation and fascinate others.
D．Most people can say something about psychology and sociology.
A．Systematic management.
B．The transport of goods.
C．Customer service.
D．The concept of benefits.