Which statement is true?

A. Industry X has a higher Herfindahl-Hirschman index than Industry Y.

B. Industry Y has a higher Herfindahl-Hirschman index than Industry Z.

C. Industry Z has a higher Herfindahl-Hirschman index than Industry X.

D. Industries X, Y, and Z have the same Herfindahl-Hirschman index.

C. Industry Z has a higher Herfindahl-Hirschman index than Industry X.