Match column-I containing types of aestivation with their examples given in column-II and choose the correct option.

Valvate, twisted, imbricate and vexillary are types of aestivation.A: Valvate aestivation - In this sepals or petals or tepals just touch one another without any overlapping, e.g. Calotropis.B: Twisted aestivation - In this one margin of each petal overlaps the margin of an adjacent petal and the other margin being overlapped by margin of another adjacent petal, e.g. China rose, cotton.C: Imbricate aestivation: If the margin of sepals or petals overlap one another but not in any particular direction as in Cassia and Gulmohar, the aestivation is called imbricate. D: Vexillary aestivation - It is the characteristics aestivation of corolla of pea when posterior petal is outermost. E.g, bean.