Which of the Following About Mollusks Is False

Multiple Choice

Which of the following about mollusks is false?

A) The body plan includes a foot, visceral mass, and mantle.
B) The ancestor of modern mollusks was likely an unsegmented, worm-like animal.
C) The foot may have different functions in different species.
D) The visceral mass secretes the shell that is typical of many mollusks.
E) Monoplacophorans were the most abundant mollusks during the Cambrian period.