Which Statement About Jan Bruegel's Flower Paintings Is Correct

Which statement about Jan Bruegel's flower paintings is correct?

A) Based on careful observation, Bruegel derived his still lifes from what he could see at the Antwerp botanical gardens.
B) Each flower conveyed such specific symbolism that the bouquet can be interpreted as a visual sermon.
C) Although Bruegel studied flowers firsthand, his painted bouquets never existed; it would have been impossible because the flowers are from different places and seasons of the year.
D) Bruegel painted flowers as practice for his later landscape paintings.