Most Researchers Who Conduct Surveys

Most researchers who conduct surveys:

A) select their samples in a haphazard fashion so that all the biases will cancel one another out
B) select their samples so that they do not look like or reflect the population at large
C) try to select samples so that everyone in their universe,the population at large,has an equal chance of appearing in the sample
D) select every member of the entire population-a total enumeration-so that their data will accurately reflect data about the universe they wish to generalize about
E) None of the above