The correct option is C Bud
A flower is defined as condensed shoot specialized for reproduction wherein shoot apical meristem is modified into flower meristem by the process of specialization of leaves into floral appendages, a cabbage does not bear any reproductive parts and is not involved in sexual reproduction and this is not a flower. Inflorescence refers to arrangement and distribution of flowers of the axis. The above ground erect-ascending part of the plant which is derived from plumule and carries nodes and internodes is termed as the stem, cabbage does not have nodes and internodes and thus, is not a stem. A bud is defined as condensed embryonic shoot in which the growing points are covered by immature leaves. Cabbage has large overlapping leaves which surround a terminal bud.
So, the correct answer is 'Bud'