Read the given passage.
The flowers of X plant contain either stamen or pistil while flowers of plant Y contain both stamens as well as pistil.
Select the correct statement regarding X and Y.
A In X, seed setting is assured even in the absence of pollinating agent.
B X could be mustard while Y could be papaya.
C In normal conditions, all the plants of Y changes into seeds after fertilisation.
D The flowers of X prevents cross pollination.