When Kittens Were Exposed to Either Vertical or Horizontal Stripes

When kittens were exposed to either vertical or horizontal stripes for several months it was found that:

A) the kittens that had been exposed to these extreme conditions seemed blind to all contours.
B) the kittens ran to play only when the researcher held up a bar matching their visual experience.
C) the perception of vertical stripes is innate and so some kittens functioned in a normal manner.
D) the perception of horizontal stripes in innate and so some kittens functioned in a normal manner.