There is only one edict, in which Ashoka refers himself

There is only one edict, in which Ashoka refers himself as King of Magadha (Laja Magadhe). Identify the edict from the following:

[A] Minor Rock Edict of Mashi
[B] The Queens edict
[C] Bhabhru Edict
[D] Dhauli Pillar Inscription

This question is part of UPSC Prelims Practice and Mock Tests membership programme.