Which grammatical case, one of six in the nominal system, answers the questions 'about whom?' or 'about what?' and is used after certain prepositions?

• A The dative case
• B The prepositional case ✓
• C The instrumental case
• D The accusative case

The prepositional (or locative) case is always preceded by a preposition; it is the sixth and final case in the traditional ordering and is used for location and topics of discussion.