Which of the Following Statements About the Coevolution of Angiosperms

Which of the following statements about the coevolution of angiosperms and insects is FALSE?

A) Angiosperms exhibit a wide variety of pollination mechanisms.
B) Angiosperms exhibit a wide variety of fruit-dispersal mechanisms.
C) Whole families of plants are associated with major groups of plant-eating insects.
D) Whole families of plants can be characterized biochemically.
E) Many of the possible coevolution variants have evolved only once within a particular plant family.