A is a 1-mm block of striate cortex containing two sets of columns, each covering every possible orientation (0–180 degrees), with one set preferring input from the left eye and the other set preferring input from the right eye.

The answer is "Hypercolumn"

Step-by-step explanation:

is a set of sections that work as a unit that enables us to see one specific portion of a visual field. It is consist of at least two columns; containing information from the left eye, and information from the right eye.

They are arranged across the surface of the primary visual cortex in a retinotopic pattern.

Check attached for a pictorial representation.

this doesn't make sense lol