If an artist were to blend red, green, and blue lights together by focusing lights of those three colors on one common spot, the result would look

The result would be like white light

Explanation:

Experimental evidence has shown that for the human eye to feel white, it is not necessary for all the colors of the rainbow to reach it, but only that the primary colors will be concentrated at one point.

If red, blue, and green lights simultaneously hit our eyes, it will be enough to cause the visual sensation of white light. This is because when two of these three colored lights - red, blue and green - simultaneously strike the human eye, they cause visual sensations that, oddly enough, are not the same as those caused by the separate lights, as the union of the three colors becomes the sensation of white light.

the correct answer is d