Adenomatous Polyposis Coli (APC), a Wnt Pathway Member, Is a Tumor

Adenomatous polyposis coli (APC) , a Wnt pathway member, is a tumor suppressor protein. Which of the options given is true of the APC protein?

A) Its normal function promotes mitotic cell division
B) Its normal function suppresses apoptosis
C) Mutations in the APC gene are inherited in a dominant fashion
D) Loss of APC function promotes mitosis