Which of the Following Statements Is Not Accurate in View

Which of the following statements is not accurate in view of research on the association between exposure to EMF and cancer?

A) The long-term effects are open to debate.
B) The long-term effects are clear and definitive.
C) The findings of some studies are questionable because of small sample sizes.
D) In a Norwegian study, no firm conclusions could be drawn.
E) None of these is correct.