Concerns About Internet Survey Distribution and Collection of Data Include

Concerns about internet survey distribution and collection of data include which of the following?

A) The subjects' identity can never be discovered.
B) People are rarely honest about themselves when they are filling outformation on theternet.
C) Dishonest researchers could copy the findings.
D) There is a limited portion of the population that uses theternet, thereby creating biases this method of data collection