Pt came to the clinic with a lesion confined to the middle of the hard palat, on the clinical examination the lesion is fluctuant & tender

Pt came to the clinic with a lesion confined to the middle of the hard palat, on the clinical examination the lesion is fluctuant & tender. On the X-ray radiolucent area btw the two central incisors roots. The diagnosis will be:
a- Glubulomaxillary cyst.
b- incisive canal cyst.***
c- Bohn's nodule.
d- Aneurysmal bone cyst.