The correct option is
A Etaerio of achenes
The fruit in a lotus plant is formed of several dry and indehiscent fruitlets embedded in spongy thalamus. The name of the fruit is decided on the nature of the fruitlets, which in this case is achenes. In the same way, the fruitlets in Etaerio of berries, etaerio of
follicles and etaerio of drupes are berry, follicles, and drupes.
So, the correct answer is 'Etaerio of achenes'.