Ava Is a Scoundrel

Ava is a scoundrel. She owned a piece of land called Blackacre, which is located in a registry system jurisdiction. On Monday, she sold it to Marlon. Two days later, on Wednesday, she sold it again to Frank. She had no right to do so. Which of the following statements is necessarily TRUE?

A) Blackacre is now owned by whoever's name appears on the most recent certificate of title.
B) Ava is entitled to compensation from the assurance fund.
C) Marlon can become the owner of Blackacre even if he registers his interest after learning of Ava's sale to Frank.
D) The doctrine of indefeasibility will protect Marlon.
E) Because Ava already sold Blackacre to Marlon, Frank cannot acquire the fee simple as a result fo registration.