C- The reason why is because if you cant see him, theres a high chance he wont be able to see you, thus he is blind into seeing you
If the producer is wise person who cares more about their business than personal comfort, then it would be true.
I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)
Answer:
The first of the basic laws of geometric optics is the law of rectilinear propagation of light. It reads: in an optically homogeneous medium the ray of light propagates in a direction.