Which defines a dynamic drilldown?

Which defines a dynamic drilldown?

A.
Clicking an account record navigates you to sales team details.

B.
Clicking a contact name hyperlink always navigates to the contact detail.

C.
Clicking an account name navigates you to the last field of the current record in the current list.

D.
Clicking a contact name hyperlink navigates to contact details for US contacts and account details for nonUS contacts.