Which of the following best defines the word model as it is used in the last paragraph of the selection

A．Sociologists are more concerned with explaining behavior than are psychologists.
B．Psychologists focus more on individuals than do sociologists.
C．Sociologists spend more time helping people solve their problems than do psychologists.
D．Psychologists are more interested in understanding patterns of human relationships than are sociologists.

A．show that taste preference is highly subjective
B．argue that taste testing is an important marketing strategy
C．emphasize that taste and price are closely related to each other
D．recommend that blind tasting be introduced in the quality control of colas