A. for aggregating popular thinking and standpoint on a subject matter
B. for preparing public expenditure
C. to evaluate the political strength of a political party
D. to inspire public reasoning on population census
Correct Answer: Option D
D. to inspire public reasoning on population census
Explanation
To inspire public reasoning on population census is the best answer, as it is the least reason why opinion sampling mechanisms, by way of online survey or through opinion polls are organized.