The correct option is A A dissimilar cell with inclusions
Idioblast has a dissimilar and different cell in the plant body. It has storage of reserves, excretory materials, pigments, and minerals its work especially. It means idioblast has a cell type which is well in different in their size and work, so it's a dissimilar cell with inclusions.
So, the correct answer 'A dissimilar cell with inclusions'.