The core elements of the pattern are flower, heart, moon, and star.
In case of first option:
The elements of the sequence contain a flower, a heart, a moon and then a star. The sequence then repeats itself.
∴ The missing figure is the moon.
In case of second option:
The elements of the sequence are a heart, a moon, a star and then a flower. The sequence then repeats itself.
∴ The missing figure is the star.
In case of third option:
The elements of the sequence are a moon, a star, a flower and then a heart. The sequence repeats itself again.
∴ The missing figure is the flower.