Multi-choice problem: Continue writing the next sentence in this paragraph:

How to protect yourself from 3d fatigue
Have a basic understanding on why 3d technology can fatigue you.
3d imaging works by sending different image information to each eye, to create the illusion of depth. The reality is that the 3d technology requires that your sense of depth perception needs constant tricking.

Pick your answer from:
[a]. In so doing, your eyes keep trying to refocus, and cannot succeed, but keep trying to do so. Your eye muscles become fatigued and your brain begins to tire from the confusion..
[b]. The skilled geologist gene therapy will help you to control this effect. This is why filming does not explain what results of 3d imaging: just show your mind what appears to exist in your environment-and what effects it is experiencing in your environment..
[c]. Technical speaking , 3d imaging is most effective in relying on what is visually present. We are visual creatures and generally need to see through 3d images in order to protect ourselves from the movement of physical objects..
[d]. Take the added effects of 3d paint into account. 3d imaging can obscure certain things in 3d applications that will obviously highlight particular areas of the map or increase your likelihood of being injured..
[a].