The search term "abc+dalf+c1+c2+audio+verified" study materials for the DALF (Diplôme Approfondi de la Langue Française) , specifically for the highest proficiency levels, , published by CLE International in their "ABC DALF" series What is "ABC DALF C1/C2"?
References
The deepest verification is not a stamp or a hash. It is the resonance between what is said, what is heard, and what is lived over decades. The ABC child grows into the C2 adult, but wisdom is not a level. Wisdom is the humble admission that no diploma can verify the heart. abc+dalf+c1+c2+audio+verified
Reading: Understand long, complex factual and literary texts. what is heard
To understand the magnitude of the DALF, one must view it in the context of the full spectrum: specifically for the highest proficiency levels
C1 Audio: You’ll hear long recordings (up to 8-10 minutes) on social or professional topics. You get two listens for the long document, but only one for the short ones!