Which of These Is Not an Example of Coevolution Between

Which of these is not an example of coevolution between flowers and pollinating bees?

A) Bees have tongues to lap up nectar.
B) Some bees are hairy to collect and carry pollen.
C) Flowers have ultraviolet markings visible to bees but invisible to most other insects.
D) Some flowers are bright red with long tubes to hold nectar.
E) Bees have strong preferences for particular types of flowers and remember where the plants are located.