Which of the Following Is Most Likely an Advantage of Survey

Which of the following is most likely an advantage of survey research?

A) The flexibility of survey research is high; it can be used to obtain many different kinds of information in many different situations.
B) Survey research allows researchers to observe respondents closely in their natural environments.
C) The chances of getting dishonest feedback are almost negligible with survey research.
D) The attitudes and motives of the customers can be easily determined through survey research.
E) The data gathered in survey research is impartial and free from bias as the surveys are done in-person to evaluate consumer behavior.