Which Statement Is Not True About the Tumor Suppressor Gene

Which statement is not true about the tumor suppressor gene pAPC?

A) Is involved in adenomatous polyposis coli, an inherited condition leading to colorectal cancer
B) Only regulates cell proliferation
C) Causes cancer by binding b-catenin, a regulator of apoptosis
D) Causes cancer in a heritable manner only when the FAP gene is mutated as well.
E) None of these