Which Statement Best Reflects the Position of the Federal Rules

Which statement best reflects the position of the Federal Rules of Evidence on privilege?

A) The Federal Rules of Evidence specifically identify 13 testimonial privileges.
B) The Federal Rule of Evidence 501 is the only Federal Rule of Evidence that addresses testimonial privilege.
C) The Federal Rules of Evidence provide strict guidelines that limit a court's ability to recognize a new form of testimonial privilege.
D) The Federal Rules of Evidence do not recognize the common law approach to testimonial privilege.