The correct option is A Synandrous
In synandrous condition, filaments and anthers are fused throughout their entire length. e.g., Colocasia. In gynandrous condition stamens and styles are united to form a column e.g., Calotropis. In protandrous - condition male sexual organs mature earlier than female sexual organs. E.g., Jasminium. In syngenesius condition, stamens are united by their anthers to form a tube around the style, e.g, sunflower.