In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
In a work ____________ art, each layer and texture, colour ____________ perspective creates an individualistic vision, which can mean different things to different viewers and even to its creator at different points of time. The audience does not ____________ see the struggle or uncertainty of the _____________ process, only its outcome. And sometimes, ___________ in the case of icons, the passage of time reveals the glow within.