Collecting Information Such as Consumer Demographics and Lifestyle Characteristics Would

Collecting information such as consumer demographics and lifestyle characteristics would be illustrative of which reason for the high usage of surveys in marketing research?

A) the need to know why certain things are done or not done
B) the need to know who does certain things
C) the need to explain cause and effect relationships
D) the need to know how consumers make decisions
E) All are reasons for the high rate of usage of surveys in marketing research