The correct option is C A - III, B - I, C - II
When there is only a single pistil in a gynoecium, then such a gynoecium is referred to as monocarpellary gynoecium. Mango has monocarpellary gynoecium.
When the flower has more than one pistil in the gynoecium and they are fused together, then such a gynoecium is called syncarpous. Tomato has a syncarpous gynoecium.
When there are multiple pistils and are not fused together, i.e. they are free, then such a gynoecium is called apocarpous. Lotus has an apocarpous gynoecium.