How do you define a service object for a TCP port range?

How do you define a service object for a TCP port range?

A.
Manage services>New TCP, provide name and define port x-y

B.
Manage services>New group, provide name and add all services ports for range individually to the group object

C.
Manage services>New other, provide name and define protocol: 17, Range: x-y

D.
Manage services>New other, provide name and define protocol: x-y