Which of the Following Statements Is Most Accurate

Which of the following statements is most accurate?

A) According to the literature, lumbar traction is less controversial than cervical traction in terms of efficacy.
B) According to the literature, cervical traction is more controversial than lumbar traction in terms of efficacy.
C) According to the literature, neither cervical nor lumbar traction is efficacious.
D) According to the literature, cervical traction is less controversial than lumbar traction in terms of efficacy.