The correct option is B 4 sepals, 4 petals, inferior ovary, 2 fused carpels, 2 whorls of stamens
K4 stands for calyx of 4 sepals, C4 stands for corolla of four petals, A4+2 indicates, prescences of two whorls of stamens, one whorl with four stamens and another whorl of two stamens. G(2) with a line below G, indicates two fused carpels with an inferior ovary.