The correct option is A Parietales
Capsella is a genus of herbaceous plant and biennial plants in the Mustard family Brassicaceae of order Parietales. Parietales is a botanical name of an order of flowering plants. It is a descriptive botanical name, short for placentae parietales. The family consists mostly of herbaceous plants with annual, biennial or perennial lifespans. The structure of the flowers is extremely uniform throughout the family. They have four free saccate sepals and four clawed free petals, staggered. They can be dissymmetric or slightly zygomorphic, with a typical cross-like arrangement.