In which of the following cases, there exists the situation of Pure Bending in some part of the beam or along the entire beam?i) A simply supported beam subjected to two equally spaced downward concentrated loadsii) A simply supported beam subjected to two equally spaced opposite momentsiii) A cantilever beam subjected to clockwise moment at free endiv) An overhanging beam with both side overhangs subjected to different concentrated loads at both the free ends

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