The correct option is C Brassicaceae
The floral formula for Brassicaceae, there are 4 sepals arranged in two whorls, the outer of anteroposterior sepals and inner of lateral sepals, lateral sepals generally pouched at the base, 4 petals, 6 stamens that are tetradynamous and a syncarpous gynoecium of 2 carpels.
Therefore, the correct answer is option C.