Which three of these are part of the e.164 number in the ITU-T numbering plan for geographic areas?

Which three of these are part of the e.164 number in the ITU-T numbering plan for geographic
areas? (Choose three.)

A.
SANC.SPID

B.
Station code

C.
Country code

D.
Subscriber number

E.
Numbering plan area

F.
National destination code