Which of the following are the requirements for a good lighting system?(i) The illuminating source should have sufficient light(ii) The illuminating source should not strike the eyes.(iii) The illuminating source should have suitable shades and reflectors.(iv) The illuminating source should be installed at such a place so as to give uniform light.

• A. (ii), (iii) and (iv)
• B. (i), (iii) and (iv)
• C. (i), (ii), and (iv)
• D. (i), (ii), (iii) and (iv)