[求助]一道 level 1 GIPS study session question question

kimbol

3. Which of the following statements most accurately describes verification under the GIPS standards?

A. may be performed on single composite.
B. is required for a firm to claim GIPS compliance.
C. requires a verification report to be issued for the entire firm.
D. is required for all composites in existence prior to January 1, 2000.

answer : A.

不过GIPS 2006明明说了 "verification cannot be carried out for a single COMPOSITE" (pg 21)

何解？