The correct option is A Marigold
In capitulum type of inflorescence, the main axis becomes flat and called receptacle. It bears many sessile and small florets. Peripheral flowers called ray florets are pistillate or neuter and zygomorphic, whereas disc florets are bisexual and actinomorphic. This type of inflorescence is also known as a head inflorescence. It is found in Sunflower, Zinnia, Dahlia, Marigold, etc.