Which of the Following Statements Is True About the Findings

Which of the following statements is true about the findings of Stanley Milgram's research on "the small world phenomenon"?

A) The findings are true beyond the shadow of a doubt.
B) Subsequent research discovered that Milgram actually did not conduct the study at all,but made it up.
C) The correct number of degrees of separation has since been discovered to be twelve.
D) Milgram's sample and methods were flawed,but some subsequent research has come to similar conclusions.