Explanation

A is correct because the Bharatiya Janata Party (BJP) has been in power at the central level of government. B is incorrect because the Indian National Congress (INC) is not currently in power at the central level. C is incorrect because the Aam Aadmi Party (AAP) holds power only in specific state governments like Delhi. D is incorrect because the Telugu Desam Party (TDP) does not hold power at the current central government level.