A patient with epilepsy came with Lt shoulder pain, on examination flattened contour of the shoulder, fixed adduction with internal rotation

A patient with epilepsy came with Lt shoulder pain, on examination flattened contour of the shoulder, fixed adduction with internal rotation. your DX ?!!?
a. Inferior dislocation
b. subacromal posteroir Dislocation
c. subglenoid ant dislocation
d. subclavicle ant dislocation