If the following sentences made up a paragraph, which would be the thesis statement?
O A. What is expected is a token acknowledgment that the question
has been asked: "I'm doing well - thanks."
O B. The question "How are you?" does not usually require a long or
truthful answer.
O C. Every day, we ask polite questions, and we usually do not expect
much more than a polite response.
O D. Polite questions may seem unnecessary, but they actually
represent a kind of social bonding that has existed for as long as
language has been spoken.

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject. a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher. wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners. acceptable only when the researcher’s irb grants a special waiver.