Which products make up the current family of HP Mobile Z workstations?

A.
HP ZBook 14. HP ZBook 17, and HP ZBook 18 mobile workstations

B.
HP ZBook 12, HP ZBook 15, and HP ZBook 17 mobile workstations

C.
HP ZBook 15, HP ZBook 17, and HP Z8ook 18 mobile workstations

D.
HP ZBook 14, HP ZBook 15, and HP ZBook 17 mobile workstations