Some Flowers Have Distinctive Patterns That Only Reflect Ultraviolet Light

Some flowers have distinctive patterns that only reflect ultraviolet light and therefore are invisible to humans.Which statement about such markings is not correct?

A) The ultraviolet patterns are highly visible and attractive to bees.
B) Carotenoid pigments are responsible for the ultraviolet patterns.
C) The ultraviolet patterns often form a conspicuous central bull's eye or identify the best landing sites.
D) The ultraviolet patterns repel birds and bats from the flowers.
E) Flowers with ultraviolet patterns usually appear yellow or orange to humans.