Kranz anatomy is an exceptional feature of

The correct option is A C4 plants
The particularly large cells around the vascular bundles of the C${}_4$ plants are called bundle sheath cells and the leave which possess such anatomy are said to have Kranz anatomy which means wreath with a large number of chloroplasts in it. Example of such plants is maize and sorghum.

So the correct option is 'C${}_4$ plants'.