Question: Excerpts were taken from which reference compact disc to assess the subjective quality of the MPEG audio formats?

Is "Some more critical audio excerpts (glockenspiel, triangle, accordion, etc.) were taken from the EBU V3/SQAM reference compact disc and have been used by professional sound engineers to assess the subjective quality of the MPEG Audio formats." the correct answer?
(I) yes (II) no
(I)